Games like This Is Not The End
Games like This Is Not The End include Roadwarden, Slime Rancher, Totally Accurate Battle Simulator, The Life and Suffering of Sir Brante, and Slime Rancher 2. We matched them by the tags players give This Is Not The End on Steam (Adventure, Indie, Simulation, Text-Based, and Fantasy): closest matches first, and among equally close ones the better-known games.

Roadwarden
Shared: Adventure · Indie · Text-Based

Slime Rancher
Shared: Adventure · Cute · Simulation

Totally Accurate Battle Simulator
Shared: Simulation · Indie · Adventure

The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · Text-Based · Indie

Slime Rancher 2
Shared: Cute · Adventure · Simulation

The Last Campfire
Shared: Adventure · Indie · Cute

Florence
Shared: Indie · Adventure · Cute

鬼谷八荒 Tale of Immortal
Shared: Simulation · Adventure · Choose Your Own Adventure

I Am Jesus Christ
Shared: Simulation · Adventure · Fantasy

Sorcery! Parts 1 and 2
Shared: Adventure · Indie · Choose Your Own Adventure

Golden Treasure: The Great Green
Shared: Indie · Adventure · Simulation

Wobbly Life
Shared: Adventure · Simulation · Indie

To the Moon
Shared: Indie · Adventure · Interactive Fiction

Suzerain
Shared: Choose Your Own Adventure · Text-Based · Interactive Fiction

Buddy Simulator 1984
Shared: Indie · Simulation · Text-Based

Monster Loves You!
Shared: Indie · Simulation · Adventure

Reigns
Shared: Indie · Adventure · Choose Your Own Adventure

Emily is Away <3
Shared: Simulation · Indie · Adventure

Academagia: The Making of Mages
Shared: Simulation · Indie · Adventure

Ale & Tale Tavern
Shared: Adventure · Simulation · Fantasy

Hello Kitty Island Adventure
Shared: Adventure · Simulation · Cute

Love is All Around: Echoes of Yesterday
Shared: Adventure · Simulation · Interactive Fiction

Late Shift
Shared: Adventure · Choose Your Own Adventure · Indie

The Test
Shared: Simulation · Choose Your Own Adventure · Adventure