Games like Skills and Slimes
Games like Skills and Slimes include Firestone – Idle Clicker Online RPG, Hero Siege, Halls of Torment, Cookie Clicker, and Vampire Survivors. We matched them by the tags players give Skills and Slimes on Steam (Action Roguelike, Incremental, Idler, Auto Battler, and Puzzle): closest matches first, and among equally close ones the better-known games.

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · Auto Battler

Hero Siege
Shared: Action Roguelike · Action RPG · RPG

Halls of Torment
Shared: Action Roguelike · Action RPG · RPG

Cookie Clicker
Shared: Incremental · Idler · Horror

Vampire Survivors
Shared: Action Roguelike · 2D · Arcade

Heroes of Hammerwatch II
Shared: Action Roguelike · RPG · Action RPG

暖雪 Warm Snow
Shared: Action Roguelike · RPG · 2D

Samawa Idle
Shared: Incremental · Idler · Auto Battler

Horripilant
Shared: Incremental · Idler · Puzzle

Death Must Die
Shared: Action Roguelike · RPG · Action RPG

Idle Champions of the Forgotten Realms
Shared: Idler · Incremental · RPG

Shelldiver
Shared: Incremental · Idler · Arcade

Tower Wizard
Shared: Incremental · Idler · 2D

Soulstone Survivors
Shared: Action Roguelike · Action RPG · RPG

CrossCode
Shared: Action RPG · Puzzle · RPG

Swords and Souls: Neverseen
Shared: RPG · Action RPG · Character Customization

Hades
Shared: Action Roguelike · Indie · RPG

Maktala: Slime Lootfest
Shared: Incremental · Idler · RPG

Nodebuster
Shared: Incremental · Idler · Arcade

Your Chronicle
Shared: Idler · Incremental · RPG

Yet Another Zombie Survivors
Shared: Action Roguelike · Arcade · Action RPG

Orc Incremental
Shared: Idler · Incremental · Auto Battler

Dragon Cliff
Shared: Idler · Incremental · RPG

Space Rock Breaker
Shared: Incremental · Idler · Arcade