Games like Rootborn
Games like Rootborn include DAVE THE DIVER, Chained Together, Terraria, 鬼谷八荒 Tale of Immortal, and The Scroll of Taiwu : Beyond The Dome. We matched them by the tags players give Rootborn on Steam (Casual, Adventure, RPG, Simulation, and Sandbox): closest matches first, and among equally close ones the better-known games.

DAVE THE DIVER
Shared: Casual · Adventure · RPG

Chained Together
Shared: Adventure · Casual · Platformer

Terraria
Shared: Sandbox · Adventure · Exploration

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Sandbox

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Sandbox · Adventure

Stardew Valley
Shared: RPG · Simulation · Sandbox

My Time at Portia
Shared: RPG · Casual · Simulation

SPORE™
Shared: Sandbox · Simulation · Casual

Slime Rancher
Shared: Adventure · Exploration · Casual

Graveyard Keeper
Shared: RPG · Simulation · Sandbox

Keplerth
Shared: Adventure · Sandbox · Casual

Disney Dreamlight Valley
Shared: Adventure · Simulation · Casual

Starbound
Shared: Adventure · Sandbox · Casual

The Darkest Tales — Into the Nightmare
Shared: Adventure · Platformer · Action-Adventure

Wobbly Life
Shared: Adventure · Simulation · Sandbox

Noita
Shared: Sandbox · Adventure · Dungeon Crawler

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

Nexomon
Shared: Adventure · RPG · Casual

Home Behind
Shared: Adventure · RPG · Casual

Growtopia
Shared: Casual · Adventure · Simulation

Touhou Mystia's Izakaya
Shared: Casual · RPG · Simulation

Portal Knights
Shared: Adventure · RPG · Sandbox

Goat Simulator 3
Shared: Sandbox · Simulation · Casual

Rain World
Shared: Platformer · Adventure · Exploration