Games like The Hero We Need
Games like The Hero We Need include Creeper World 4, They Are Billions, Age of Darkness: Final Stand, Plants vs. Zombies GOTY Edition, and Total War: WARHAMMER III. We matched them by the tags players give The Hero We Need on Steam (Tower Defense, Strategy, RTS, Real Time Tactics, and Survival): closest matches first, and among equally close ones the better-known games.

Creeper World 4
Shared: Tower Defense · Real Time Tactics · RTS

They Are Billions
Shared: Strategy · Tower Defense · RTS

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

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

Total War: WARHAMMER III
Shared: Strategy · RTS · Real Time Tactics

Artisan TD
Shared: Tower Defense · Strategy · Real Time Tactics

Aliens: Dark Descent
Shared: Strategy · RTS · Real Time Tactics

Dungeon Defenders
Shared: Tower Defense · Strategy · Survival

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

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

Bad North: Jotunn Edition
Shared: Tower Defense · Real Time Tactics · Survival

DG2: Defense Grid 2
Shared: Tower Defense · Strategy · RTS

Minimalist Tower Defense
Shared: Tower Defense · Strategy · Real Time Tactics

Bloons TD 6
Shared: Tower Defense · Strategy · Casual

Thronefall
Shared: Tower Defense · Strategy · Building

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Building

Grim Nights
Shared: Tower Defense · Strategy · Survival

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

Castle Story
Shared: Strategy · Building · Tower Defense

Stronghold: Definitive Edition
Shared: Strategy · Real Time Tactics · RTS

Total War: WARHAMMER II
Shared: Strategy · RTS · Fantasy

Defend Your Life: TD
Shared: Tower Defense · Strategy · RTS

Element TD 2 - Tower Defense
Shared: Tower Defense · Real Time Tactics · Strategy

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