Games like Pioneerz
Games like Pioneerz include Kenshi, Wobbly Life, The Scroll of Taiwu : Beyond The Dome, Stardew Valley, and Goat Simulator. We matched them by the tags players give Pioneerz on Steam (Casual, Indie, RPG, Sandbox, and Family Friendly): closest matches first, and among equally close ones the better-known games.

Kenshi
Shared: Sandbox · RPG · Open World

Wobbly Life
Shared: Sandbox · Casual · Open World

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

Stardew Valley
Shared: RPG · Sandbox · Indie

Goat Simulator
Shared: Sandbox · Casual · Open World

Mount & Blade II: Bannerlord
Shared: RPG · Open World · Sandbox

SPORE™
Shared: Sandbox · Open World · Casual

My Time at Portia
Shared: RPG · Casual · Open World

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

Sands of Salzaar
Shared: RPG · Indie · Open World

7 Days to Die
Shared: Open World · Base Building · Sandbox

Everything
Shared: Casual · Indie · Sandbox

Space Engineers
Shared: Sandbox · Open World · Base Building

Mount & Blade: Warband
Shared: RPG · Sandbox · Open World

Cat Quest
Shared: RPG · Indie · Casual

Hydroneer
Shared: Base Building · Sandbox · Open World

Amazing Cultivation Simulator
Shared: RPG · Sandbox · Simulation

Trove
Shared: Sandbox · Open World · RPG

The Riftbreaker
Shared: Base Building · Sandbox · Indie

Enshrouded
Shared: Open World · Base Building · RPG

Project Zomboid
Shared: Sandbox · Open World · Indie

ARK: Survival Ascended
Shared: Open World · Base Building · Sandbox

PowerWash Simulator 2
Shared: Casual · Sandbox · Simulation

Palworld
Shared: Open World · Indie · Sandbox