Designing Cards As a Polymorphic Resource for Online Free to Play Trading Card Games
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Designing Cards as a Polymorphic Resource for Online Free to Play Trading Card Games Jerry Jonsson, Lina Tonegran Degree Project in Game Design, 15 ECTS Credits Game Design and Programming / Game Design and Graphics, Spring 2013 Supervisors: Adam Mayes and Hedda Gunneng Examiner: Iwona Hrynczenko Abstract Seasoned players of free to play trading card games or players that invest large amount of money in digital or physical trading card games, end up having superfluous cards that hold no value to them. The purpose of this thesis is to create designs that would counter this problem. We analysed a selection of popular games on the market to get a better understanding about the depth of the problem and existing designs and mechanics to counter said problem. With the knowledge gained from the research, we intended design several systems that would give cards a polymorphic value. To validate those designs we decided to conduct qualitative interviews with highly experienced players of the genre. We discovered from our research and interviews that the problem with superfluous cards was larger than we had anticipated, and few games had taken steps to counter the problem. The systems we designed gave cards a polymorphic value, and the designs were proven successful through our validation. Our research and interviews suggest that by implementing polymorphic attributes to cards it could lessen or even remove the problem of superfluous cards, and at the same time increase the sales figures on booster packs. Keywords: Free to play, Trading card game, Collectible card game, Online play, Duplicate cards Contents 1 Introduction ........................................................................................................................ 1 2 Terms .................................................................................................................................. 2 3 Background ........................................................................................................................ 5 4 Problem and Method .......................................................................................................... 8 5 Research ............................................................................................................................. 9 5.1 Analysis: Urban Rivals ................................................................................................ 9 5.1.1 Cards ..................................................................................................................... 9 5.1.2 Decks .................................................................................................................. 10 5.1.3 Combat ............................................................................................................... 10 5.1.4 Experience through playing ............................................................................... 12 5.1.5 Cards as Polymorphic Resource ......................................................................... 12 5.1.6 Summary ............................................................................................................ 12 5.2 Analysis: Clash of the Dragons ................................................................................. 14 5.2.1 Cards ................................................................................................................... 14 5.2.2 Decks .................................................................................................................. 15 5.2.3 Combat ............................................................................................................... 15 5.2.4 Experience through playing ............................................................................... 16 5.2.5 Cards as Polymorphic Resource ......................................................................... 17 5.2.6 Summary ............................................................................................................ 18 5.3 Analysis: Rage of Bahamut ....................................................................................... 19 5.3.1 Cards ................................................................................................................... 20 5.3.2 Decks .................................................................................................................. 21 5.3.3 Combat ............................................................................................................... 22 5.3.4 Experience trough playing ................................................................................. 22 5.3.5 Cards as Polymorphic Resource ......................................................................... 23 5.3.6 Summary ............................................................................................................ 23 5.4 Analysis: Defender of Texel ...................................................................................... 25 5.4.1 Cards (Heroes) .................................................................................................... 25 5.4.2 Decks (Squad) .................................................................................................... 27 5.4.3 Combat ............................................................................................................... 27 5.4.4 Experience trough playing ................................................................................. 28 5.4.5 Cards (Heroes) as Polymorphic Resource .......................................................... 28 5.4.6 Summary ............................................................................................................ 28 6 Design ............................................................................................................................... 30 6.1 Little Warlock ............................................................................................................ 31 6.1.1 Cards ................................................................................................................... 31 6.1.2 Decks .................................................................................................................. 32 6.1.3 Combat ............................................................................................................... 32 6.1.4 Experience trough playing ................................................................................. 33 6.1.5 Cards as polymorphic resource .......................................................................... 34 6.1.6 Summary ............................................................................................................ 34 6.2 Design: Sell system ................................................................................................... 35 6.3 Design: buff system ................................................................................................... 36 6.4 Design: Transmute system......................................................................................... 38 6.4.1 Transmute Iteration ............................................................................................ 38 6.5 Design: Upgrade system ............................................................................................ 40 6.6 Design: Salvage System ............................................................................................ 41 6.7 Iteration: Sell System using Salvage System ............................................................ 41 6.8 Iteration: Buff System using Salvage System ........................................................... 42 6.9 Iteration: Transmute System using Salvage System.................................................. 43 6.10 Iteration: Upgrade System using Salvage System ................................................. 44 7 Qualitative survey ............................................................................................................ 45 7.1 Survey Summary ....................................................................................................... 45 7.1.1 Booster Packs ..................................................................................................... 45 7.1.2 Transmute design ............................................................................................... 46 7.1.3 Buff design ......................................................................................................... 46 7.1.4 Upgrade design ................................................................................................... 47 7.1.5 Injustice .............................................................................................................. 47 7.1.6 Balance and Matchmaking ................................................................................. 48 8 Discussion ........................................................................................................................ 49 9 Conclusion ........................................................................................................................ 52 10 References ........................................................................................................................ 53 1 Introduction Trading card games have been around for over 100 years, and the first published game to fit what we would today define as a trading card game would be The Base Ball Game published by The Allegheny Card Co in 1904. The concept