Games like Tower Defence: Back to the roots 2
Games like Tower Defence: Back to the roots 2 include Mindustry, Bloons TD 6, Plants vs. Zombies GOTY Edition, Kingdom Rush Frontiers - Tower Defense, and Kingdom Two Crowns. We matched them by the tags players give Tower Defence: Back to the roots 2 on Steam (Strategy, Tower Defense, Singleplayer, PvE, and 2D): closest matches first, and among equally close ones the better-known games.

Mindustry
Shared: Tower Defense · Strategy · Base Building

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Two Crowns
Shared: Tower Defense · Singleplayer · Strategy

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Oxygen Not Included
Shared: Base Building · Singleplayer · 2D

Thronefall
Shared: Strategy · Tower Defense · Base Building

They Are Billions
Shared: Strategy · Base Building · Tower Defense

Rise to Ruins
Shared: Tower Defense · Strategy · Base Building

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush 6: Genesis TD
Shared: Strategy · Tower Defense · 2D

RimWorld
Shared: Strategy · Base Building · Singleplayer

Dungeon Warfare
Shared: Strategy · Tower Defense · Singleplayer

Until We Die
Shared: Strategy · Tower Defense · Base Building

Forts
Shared: Strategy · Base Building · 2D

Grim Nights
Shared: Strategy · Tower Defense · Base Building

Bloons TD 5
Shared: Strategy · Tower Defense · Singleplayer

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · PvE

Border Pioneer
Shared: Strategy · Tower Defense · Base Building

Cult of the Lamb
Shared: Base Building · Singleplayer · Strategy