All honest games abide by these rules.
No pay to win
Players should not be able to purchase a game advantage.
World of Tanks, Clash of the Clans
No loot boxes
Players should not require paying money to unlock rewards that are given to them.
Overwatch, Star Wars Battlefront II, Middle-earth: Shadow of War
No Gatcha mechanics
Players should not require specific randomized characters to progress in their game.
Summoner’s War, Fate/Grand Order
No Energy mechanics
It is the player’s choice to engage with your game or not. They should be able to play the game when they want to do so.
No forced marketing
Players who choose to promote the game to other should experience no advantage from doing so.
Candy Crush, FarmVille
It is the player’s choice to engage with your game or not. They should not have to wait days or hours for playing.
Candy Crush, Dungeon Keeper (2014)
No day-1 or pre-planned DLC
Content may not be withheld from the game at the time of release.
Bioshock 2, Mass Effect 3, Total War: Warhammer
No forced engagement
It is up to the player when they want to play your game, not you. Performing hourly/daily/weekly actions should not give a game advantage.
Farmville, World of Warcraft
No excessive DLC
The total cost of DLC should not exceed the price of the original game.
Crusader Kings II, Train Simulator 2016, Rocksmith
No “Season passes”
DLC should not be sold before it’s made or announced. If that content would improve your game, it should be present at release or patched in for free.
Shadow of the Tomb Raider, Assassin’s Creed Odyssey
No tiered pricing
The game shall be sold in its complete form, for a single price upon release. No benefits or extra in-game content shall be available to those who pay more. At release, there will be no ‘editions’.
Assassin’s Creed Odyssey, Shadow of the Tomb Raider
No needless internet requirement
If the game is not multiplayer, or can reasonably be played without an internet connection, it should not need one.
_Sim City(2013) _
No p2p servers
Multiplayer games should provide dedicated servers to ensure a quality experience for their players. Peer to Peer networking has proven to be a cost saving measure that compromises the player’s experience.
Call of Duty
No advertising should be displayed to the player in game.
Farmville, Angry Birds