Games like Sill Sticks
Games like Sill Sticks include Bongo Cat, Banana, The Sims™ 4, Passpartout: The Starving Artist, and Unpacking. We matched them by the tags players give Sill Sticks on Steam (Casual, Free to Play, 2D, Cute, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Bongo Cat
Shared: Free to Play · Cute · Desktop Companion

Banana
Shared: Free to Play · Casual · 2D

The Sims™ 4
Shared: Free to Play · Singleplayer · Casual

Passpartout: The Starving Artist
Shared: Casual · Singleplayer · Hand-drawn

Unpacking
Shared: Casual · Cute · Relaxing

Hidden Folks
Shared: Casual · Hand-drawn · 2D

Potion Craft: Alchemist Simulator
Shared: Singleplayer · 2D · Relaxing

TBH: Task Bar Hero
Shared: Free to Play · Idler · Desktop Companion

Maltese's Fluffy Onsen
Shared: Casual · Desktop Companion · Cute

Draw & Guess
Shared: Casual · 2D · Funny

Brawlhalla
Shared: Free to Play · Casual · 2D Platformer

Shelldiver
Shared: Casual · 2D · Relaxing

Cat Goes Fishing
Shared: 2D · Cute · Casual

Infinity Nikki
Shared: Casual · Cute · Relaxing

Zup! S
Shared: Casual · 2D · Singleplayer

MyVoiceZoo
Shared: Casual · Cute · 2D

Idle Champions of the Forgotten Realms
Shared: Free to Play · Idler · Singleplayer

Travellin Cats in Paris
Shared: Free to Play · Casual · Cute

Your Mother
Shared: 2D · Desktop Companion · Cute

Slime Rancher 2
Shared: Cute · Singleplayer · Relaxing

Screen Cat
Shared: Casual · Cute · 2D

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · 2D

Minami Lane
Shared: Casual · Cute · Relaxing