A video game that prioritizes monetization over the actual experience of the game, which causes the game, and in turn the players to suffer.
Some examples of anti-games are as follows: Game Of War: Fire Age; Madden NFL 20; many games on Roblox (eg: MeepCity); PUBG; Call of Duty: Black Ops 4; Halo 5; etc.
There are a lot of anti-games on Steam nowadays.
Activision has been releasing a lot of anti-games lately.