Idle Slayer is an action-idle game, has gorgeous pixel art, a bit of a plot, a few fun minigames and they did an Attack on titan crossover event recently (pretty cool for a solo dev!). I’ve been playing it for 2-3 years and it’s way more involved than I initially realized. Wiki/reddit/discord community if you want to really push past the walls.
It’s not really number-go-up at all but the new Pokemon TCG Pocket app has an auto-battle mode that reduces the game to probability, online micro-interactions, and opening booster packs.
For PURE number go up, there’s one that gave me a headache called Exponential idle. It’s just the math of an idle game without the pretense of a game around it. Like. It’s literally just the formulas:
