Games like Stonetowers
Games like Stonetowers include They Are Billions, RimWorld, Kingdom Two Crowns, Rise to Ruins, and Until We Die. We matched them by the tags players give Stonetowers on Steam (Strategy, Tower Defense, Base Building, and Survival): closest matches first, and among equally close ones the better-known games.

They Are Billions
Shared: Strategy · Base Building · Survival

RimWorld
Shared: Base Building · Strategy · Survival

Kingdom Two Crowns
Shared: Tower Defense · Base Building · Strategy

Rise to Ruins
Shared: Tower Defense · Strategy · Survival

Until We Die
Shared: Strategy · Survival · Base Building

The Riftbreaker
Shared: Base Building · Tower Defense · Survival

Kingdom: New Lands
Shared: Tower Defense · Base Building · Survival

Factorio
Shared: Base Building · Strategy · Survival

Frostpunk
Shared: Strategy · Survival · Base Building

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · Base Building

Bloons TD 6
Shared: Strategy · Tower Defense · Survival

This War of Mine
Shared: Survival · Strategy · Base Building

Grim Nights
Shared: Strategy · Tower Defense · Base Building

Oxygen Not Included
Shared: Base Building · Survival · Strategy

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Survival

Thronefall
Shared: Strategy · Tower Defense · Base Building

Mindustry
Shared: Tower Defense · Base Building · Strategy

Going Medieval
Shared: Strategy · Base Building · Survival

The Alters
Shared: Base Building · Survival · Strategy

Stranded: Alien Dawn
Shared: Base Building · Strategy · Survival

7 Days to Die
Shared: Survival · Base Building · Tower Defense

Manor Lords
Shared: Strategy · Base Building · Survival

Tower Dominion
Shared: Strategy · Tower Defense · Base Building

From Glory To Goo
Shared: Strategy · Tower Defense · Base Building