Testing Metaphorical Educational FPS Games
John R. Rankin, Sandra Sampayo Vargas, and Paul F. Taylor
ACRI Games Technology Laboratory, Department of Computer Science and Computer Engineering, La Trobe University, Bundoora, Victoria 3086, Australia
Bagus Ari Chandra (5235127214)
Pendidikan Teknik Informatika dan Komputer, Universitas Negeri Jakarta
It is widely recognized that there is value in making use of modern Games Technology in Serious Games for educational purposes in the classroom and yet tools that enable teachers to construct such Educational Serious Games (ESGs) with minimal programming, artistic, or GT skills are not yet widely available. In this paper we investigate the feasibility of employing the FPS game genre for teaching purposes in the classroom. This is done by starting with a typical FPS game and constructing metaphorical correspondences with the desired ESG category. This mapping highlights the mentality level of FPS games and what it would take to modify them towards the level for real knowledge acquisition as in ESGs. By changing the game world rules to correspond with a classroom study area, we create a metaphorical educational FPS game. In this paper we describe two metaphorical educational FPS games and report on preliminary testing of their use in education. If testing of these metaphorical educational FPS games indicates that they would be beneficial in school classes then we intend to pursue the design of software tools and tutorials to enable teachers to develop their own metaphorical educational FPS games in two months or less.
Commensurate with the great improvements in CPU speed and GPU capabilities, computer games, and the Games Technology support software have advanced markedly in the last decade. The impact of games and this new technology is widespread amongst the next generation to the extent that now most children and school pupils play video games for amusement and recreation in their free time. When their teachers see how enthusiastic and involved their pupils are in the new technology and how less interested many of them are with the traditional school teaching methodologies, the teachers have raised the question of whether this new technology could also be employed productively for teaching purposes within the classroom. The use of GT for purposes other than pure entertainment gave rise to the domain of Serious Games (SGs) [1, 2] and the particular application of GT for educational purposes gave rise to the subdomain of SGs called Educational Serious Games (ESGs) [3, 4].
Nevertheless within the world of computer games, SGs represent only a small fraction of all video games, and ESGs are but a small fraction of SGs. Thus the world of video games is dominated by non-Serious Games—the so-called casual games . The commercially successful SGs are small in number and very high in development cost and this raises the question of why there is currently a lack of commercial value in general purpose SGs . The main development emphasis has been on casual games, and correspondingly, the available game development tools have been predominantly by far in the casual game market. The emphasis on casual games has also resulted in a lack of available tools for those game designers wanting to make SGs or ESGs .
In our research we have been investigating what tools are particularly appropriate to the development of SGs and finding out what is needed in SG tools beyond the tools currently available for casual games. We further narrowed the focus of our researches to consideration of just ESGs and in particular the development of ESGs for the classroom by teachers who have no skills or training in games technology programming, in digital artwork, 3D modeling, or animation. The Teacher’s Dilemma  is what software tools would a teacher need to rapidly create an ESG for his class in a two month time frame where the teacher has no games programming skills or digital artwork skills and a budget limited to no more than a couple of hundred dollars? Such tools are not currently available to teachers at present though there is now a strong demand for them . This paper describes a new kind of video game which we call a Metaphorical Educational First Person Shooter video game (MEFPS) which may assist in alleviating the Teacher’s Dilemma, and this paper reports on the software development and testing of two games of this sort.
2. Metaphorical Correspondences
Typicallyan FPS game involves fantasy monsters, fantasy weapons, and a fantasy 3D world to be explored by the player . In contrast ESGs use operable and realistic representations of the things relating to the subject area such as a chemistry laboratory with cupboards, test tubes, beakers, and other apparatus and chemicals in jars. It is very costly to create this level of realism by digital artwork and 3D modeling. The basic game features of FPS games though of fantasy rather than reality can however be used to metaphorically represent the real-world artifacts of ESGs thus making FPS features more meaningful in the game for the purpose of teaching an educational concept.
Rankin Vargos  showed that there can be metaphorical correspondences between FPS games and ESGs and showed what FPS extensions FPS tools must support in order to develop ESGs. In  the ChemLab Educational Serious Game was described and it was explained how this game could be represented with the use of merely FPS features. For this we will have to use metaphorical correspondences for each one of the features used in a basic FPS game. Table 1 lists the metaphorical correspondences between FPS game features and ESGs.
3. MEFPS Testing
For testing the concept we created two video games under Unreal Tournament . These games are the first prototypes of Metaphorical Educational FPS games. The first game is called SolubilityFPS. In this game the player starts in an almost empty warehouse with some ammunition and crates on the floor and four doors to other rooms along one side. The player is expected to enter each room where he will find an armed monster ready to shoot and kill him. The player already carries two fantasy rifle-like projectile weapons that he can swap between a green gun and a red gun. The green gun is used to represent metaphorically the collection of grams of the salt Ba(NO3)2 that will be added to the water which is represented by a monster. Shooting the blue monster with the green gun is metaphorically equivalent to adding 5 grams of the salt to the solution. The red gun is used to represent the temperature of the water. Each shot on the monster with the red gun represents heating the water by an amount of 5 degrees Centigrade. Once a monster is killed it represents reaching a point on the solubility curve for the salt Ba(NO3)2. There are 4 monsters in total giving 4 points on the curve that will help the player to draw the solubility curve of that particular salt in a workbook (see Table 2).
The HUD displays two bars: a red bar to represent the shots counted from the red gun (representing the water temperature) and a green bar representing a percentage figure which is the concentration level of the chemical in solution (see Figure 1). The player is provided with a workbook containing graph paper for drawing the solubility curve. The game has danger in that monsters aggressively shoot back at the player and if a door is open for too long a monster can escape from his room and continue pursuing the player. Doors open based on a proximity trigger, allowing the monsters to pursue the player. The monster pursuing and shooting at the player has the metaphorical correspondence of the challenge that the concept of solubility curves has to the students understanding.
The second game is called ChemLab FPS. This game starts in a similar warehouse containing only ammunition and a few crates on the floor but now with 5 doors to rooms (four doors on the opposite side from where you start and one on the far side) and 2 empty beakers painted onto the HUD (see Figure 2). Again the player is expected to go into each room where armed monsters are located, and kill them. The metaphorical correspondences of this video game consist of representing the substances of water, PbCl2 and Na2SO4 with 3 different types of monsters (see Table 3). The monsters will have the color of the substance they metaphorically represent to easily recognize what substance is being collected every time that particular monster is killed. To finish the game the player has to collect 200 mL of water, 20 gms of Na2SO4 and 10 gms of PbCl2. All of these quantities appear in the HUD of the game and vary according the number of monsters killed. When all the right quantities have been collected the screen displays a large beaker with the combined solutions and the chemical reaction completed. The player will see the colour of the precipitant and its chemical formula is displayed on the HUD (see Figure 3). The player must record this information into his workbook answering the appropriate questions in that book.
To run the tests we arranged for university students of various ages to fill in an initial questionnaire to know before the student plays the game whether he plays video games or not and if he plays FPS games. Next the participants play the SolubilityFPS game and then fill in a second questionnaire on their impressions after playing. Subsequently the participants play the ChemLab FPS game and fill in a third questionnaire on their impressions of playing that game and whether they thought games like that would be useful for teaching in the classroom. The questionnaires given out after the SolubilityFPS and ChemLab FPS games contain the same ten questions: the first six questions using a Likert scale from 1 to 5 (where 1 represents Strongly Disagree and 5 represents Strongly Agree); the next three questions have one answer choice from five distinct options and the last question is of free format where the participants could write their own comments (see Table 4).
4. Test Results
The survey results were collated into a large table with a row per participant and a column per question indicating which answer each participant selected for each question. We found that the time for one participant to complete the experiment was between 20 and 30 minutes. Since we were limited to two machines for running the 2 games (which require the Unreal Tournament license), our initial surveys were limited due to time constraints to just 27 participants—21 men and 6 women with ages ranging from 19 to 62 and average age 26. From this data we were able to draw some results (see Tables 5 and 6).
The survey results for both games were very similar. From the survey the average result is that the participants enjoyed both games ChemLab FPS (4.0 on the Likert scale) and SolubilityFPS (3.81 on the Likert scale). All responded that they would like to play the games again (3.52 on the Likert scale). All agree that both games are helpful for learning (for SolubilityFPS 3.59 and for ChemLab FPS 3.67). However, females reported uncertainty about whether the games helped them learn the topic (Likert scale 3.17 for SolubilityFPS and 3.33 for ChemLab FPS). Males answered that both games may be useful for basic lessons in natural sciences at the high school level but females reported uncertainty. In the game SolubilityFPS males liked the graphics the most and girls preferred the actions, and in the ChemLab FPS game all preferred the actions. The participants played both games each one for about 15 minutes on average but the females played the SolubilityFPS game for less than 10 minutes on average. Male participants answered that both games are easy to play and females reported uncertainty only in ChemLab FPS (Likert scale 2.83). From the survey we also found that males play fewer video games than girls. On average the participants play FPS video games regularly (i.e., about once a day). Finally we found that the participants have also played educational video games about once a week on average. The females were the category which although agreeing on the potential usefulness of the games in learning had consistently lower Likert scales of agreement than the males.
It was apparent from this survey that even though most of the participants were already familiar with FPS games and the use of computers, it was necessary to explain at the start of each test to each participant what the game was about, what they had to do in the game, and how to play the game. The written instructions were not as well understood by the participants as the personal explanation given by the organizers of the tests and most of the participants prefer to have the instructions and the background story within the game at the start of the game.
The comments collected in the survey questionnaires will be used in the future to improve the next version of these games. Additionally we need to point out that the game by itself was not intended to teach the concept of solubility curves or chemical reactions but rather the game was meant to be only part of the teacher’s lesson. We envisioned that after playing the game the teacher would follow up with a standard lesson for teaching the specific concept, that is, immersed in the gameplay of the video game and that by that stage the students would be used to the steps needed to accomplish the classroom problem solving exercises. We therefore believe that tweaking the games according to the feedback of the participants and further testing is needed to decide whether games of this sort could be useful in high school classrooms.
We developed two Metaphorical Educational FPS games as Unreal Tournament 2004 mods—one to present the concept of solubility curves and the other to present the concept of a chemical reaction involving precipitation. Both games were designed for potential use in high school chemistry lessons. The games being simple mods of Unreal Tournament have the same look and feel of the commercial Unreal Tournament game that is popular, widely available, and recommended for ages 15 and up. Players of the Unreal Tournament game would immediately recognize the monsters, the gun types, the ammunition pickups, the wall textures, and so on. However as mods they are considerably cut down versions of the commercially available game with a much smaller game world, fewer monsters, and limited weapons to choose from. The games were developed by Games Technology students of La Trobe University within two weeks. We do not expect teachers to produce games like this so quickly. Before we proceed to develop tools and tutorials to enable a teacher to produce a game like this in under two months we had to test whether participants believed that these types of games could be beneficial for classroom teaching. Our surveys suggest that it could be worthwhile to develop tools and tutorials for teachers to develop metaphorical educational FPS games for their classes.
Rather than testing the games on school children in the classroom, our initial testing was with a more mature university student population since there is still a public perception that such FPS games could do some psychological harm to young players. The results of our initial testing say that university students think that these kinds of games may help high school students to learn basic concepts of chemistry in the classroom. The use of the workbooks while playing the game was successful and participants answered the questions in the workbook correctly. No participant in the survey dropped out of the experiment due to fear of the game or concerns of possible psychological harm.
We received considerable feedback on ways to improve the games from the participants and after these improvements are made in the near future perhaps the educational objectives might be better realized . Researching the attraction and engagement many players receive from traditional FPS games, and trying to create a similar level of enjoyment within the ESG genre is also an area we wish to explore. To this end we will be testing the different levels of abstraction that can be applied to the educational content of ESGs and the resulting level of education achieved by players. Moreover, further on in the future we intend to develop realistic ESGs to try ESGs in contrast with Metaphorical Educational FPS games where the educational concepts will be more explicit in the game and the level of simulated violence decreased.
The games were developed by Austin Mason and Paul Taylor over a 2 week period on PCs.
This research was supported by La Trobe University Grant and CONACyT Scholarship from the Government of Me-xico.
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My opinion about this article:
I do really like this creative idea about the writer who tried to fuse the education with video game. This chemistry subject about solution remains me how I used to memorize all of liquefaction methods when I was high school. I did it hard when it came to me to explain all of thing about liquid and its substances, and it made me awful.
But after read this article, it seems that studying chemistry doesn’t really hard if we do it happily. It explains how the teacher uses video game to stimulate students studying chemistry with all of liquidfactions. This obviously makes the students studying happily because they can study and play at the same time.
This article also explains all its research methods in detail where it starts with abstract, introduction of the problem, the type of games, tables of chemistry, and game images who can help the reader easy to understands. It has the table data of test results after beta games published for some respondens to collected the result. And then It also has the reference sources where the readers can come to more explanation about all of things the article’s belongings.