Games like BootyBuns & 21
Games like BootyBuns & 21 include Lost, Plague Inc: Evolved, Game Dev Tycoon, Seek Girl:Fog Ⅰ, and Streamer Life Simulator. We matched them by the tags players give BootyBuns & 21 on Steam (Nudity, Strategy, Indie, and Casual): closest matches first, and among equally close ones the better-known games.

Lost
Shared: Nudity · Casual · Indie

Plague Inc: Evolved
Shared: Strategy · Indie · Casual

Game Dev Tycoon
Shared: Indie · Strategy · Casual

Seek Girl:Fog Ⅰ
Shared: Nudity · Indie · Strategy

Streamer Life Simulator
Shared: Nudity · Casual · Indie

Mini Motorways
Shared: Strategy · Casual · Indie

Seek Girl Ⅳ
Shared: Nudity · Indie · Casual

Town of Salem
Shared: Strategy · Indie · Casual

Notes of Soul
Shared: Nudity · Indie · Strategy

Seek Girl V
Shared: Indie · Nudity · Casual

Seek Girl Ⅶ
Shared: Nudity · Casual · Indie

Yokai's Secret
Shared: Nudity · Indie · Casual

Seek Girl Ⅵ
Shared: Indie · Nudity · Strategy

NALOGI
Shared: Nudity · Casual · Indie

Seek Girl Ⅲ
Shared: Nudity · Indie · Strategy

911 Operator
Shared: Strategy · Indie · Casual

Book of Yog Idle RPG
Shared: Nudity · Casual · Strategy

BidKing
Shared: Strategy · Casual · Indie

Circle Empires
Shared: Strategy · Indie · Casual

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Indie

Dictators:No Peace Countryballs
Shared: Strategy · Casual · Indie

Mini Metro
Shared: Strategy · Indie · Casual

Dispatch
Shared: Nudity · Strategy · Casual

Cookie Clicker
Shared: Casual · Indie · Strategy