Games like BioSphere: Genesis
Games like BioSphere: Genesis include To The Core, Potion Craft: Alchemist Simulator, Cookie Clicker, Stardew Valley, and My Time at Portia. We matched them by the tags players give BioSphere: Genesis on Steam (Casual, Life Sim, Incremental, God Game, and 2D): closest matches first, and among equally close ones the better-known games.

To The Core
Shared: Casual · Incremental · 2D

Potion Craft: Alchemist Simulator
Shared: Crafting · 2D · Casual

Cookie Clicker
Shared: Incremental · Casual · Indie

Stardew Valley
Shared: Life Sim · Crafting · Casual

My Time at Portia
Shared: Life Sim · Casual · Crafting

Russian Life Simulator
Shared: Incremental · 2D · Casual

Cell to Singularity - Evolution Never Ends
Shared: Incremental · Casual · God Game

Keep on Mining!
Shared: Casual · Incremental · Indie

Melvor Idle
Shared: Casual · 2D · Indie

Timberman
Shared: Casual · 2D · Indie

Forage Wizard
Shared: Casual · Incremental · Crafting

A Game About Feeding A Black Hole
Shared: Casual · Incremental · 2D

Mountain
Shared: Casual · God Game · Indie

SPACEPLAN
Shared: Casual · Incremental · Indie

Reus
Shared: God Game · Casual · Indie

Chinese Parents
Shared: Life Sim · Casual · Indie

Doodle God
Shared: Casual · God Game · Indie

The Adventure of NAYU
Shared: Casual · Incremental · 2D

Nodebuster
Shared: Casual · Incremental · 2D

Paralives
Shared: Life Sim · Casual · Indie

Shelldiver
Shared: Casual · Incremental · 2D

Orb of Creation
Shared: Casual · Incremental · Indie

Zup! S
Shared: Casual · 2D · Indie

Click Mage
Shared: Incremental · Casual · Crafting