Games like Establish
Games like Establish include SANABI, Zup! S, Pizza Tower, Game Dev Tycoon, and Vampire Survivors. We matched them by the tags players give Establish on Steam (Casual, Action-Adventure, 2D Platformer, 2D, and 1990's): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · 2D · Action-Adventure

Zup! S
Shared: Casual · 2D · Indie

Pizza Tower
Shared: 2D Platformer · Indie · Singleplayer

Game Dev Tycoon
Shared: Casual · Indie · 2D

Vampire Survivors
Shared: 2D · Casual · Indie

Sonic Superstars
Shared: 2D Platformer · Casual · Action-Adventure

Trine 2: Complete Story
Shared: Action-Adventure · 2D Platformer · Casual

Braid
Shared: 2D Platformer · 2D · Indie

Trine Enchanted Edition
Shared: Action-Adventure · 2D Platformer · Casual

Melvor Idle
Shared: Casual · 2D · Indie

Kaze and the Wild Masks
Shared: 1990's · 2D · Casual

Swords and Souls: Neverseen
Shared: Indie · Turn-Based Combat · Singleplayer

Kingdom Rush - Tower Defense
Shared: 2D · Casual · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Casual · 2D · Singleplayer

Timberman
Shared: Casual · 2D · Indie

Kingdom Rush Origins - Tower Defense
Shared: 2D · Casual · Singleplayer

Celeste
Shared: 2D Platformer · Indie · 2D

Super Meat Boy
Shared: 2D Platformer · 2D · Indie

Tribal Hunter
Shared: 2D Platformer · Action-Adventure · Casual

Cat Goes Fishing
Shared: 2D · Casual · Indie

A Dance of Fire and Ice
Shared: 2D · Indie · Singleplayer

ANTONBLAST
Shared: 2D Platformer · 2D · Singleplayer

Gensokyo Night Festival
Shared: Casual · Indie · 2D

Thank Goodness You're Here!
Shared: Casual · 2D Platformer · 2D