Games like Desert Law
Games like Desert Law include XCOM 2, Wasteland 2: Director's Cut, Command & Conquer Red Alert™ 2 and Yuri’s Revenge™, SpellForce 3 Reforced, and Fallout Tactics: Brotherhood of Steel. We matched them by the tags players give Desert Law on Steam (Strategy, RPG, RTS, Post-apocalyptic, and Isometric): closest matches first, and among equally close ones the better-known games.

XCOM 2
Shared: Strategy · RPG · Isometric

Wasteland 2: Director's Cut
Shared: RPG · Strategy · Post-apocalyptic

Command & Conquer Red Alert™ 2 and Yuri’s Revenge™
Shared: Strategy · RTS · RPG

SpellForce 3 Reforced
Shared: Strategy · RPG · RTS

Fallout Tactics: Brotherhood of Steel
Shared: RPG · Strategy · Post-apocalyptic

Encased: A Sci-Fi Post-Apocalyptic RPG
Shared: RPG · Strategy · Post-apocalyptic

Total War: WARHAMMER
Shared: Strategy · RPG · RTS

Crusader Kings III
Shared: Strategy · RPG · RTS

Fallout: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Isometric

Fallout 2: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Isometric

Mutant Year Zero: Road to Eden
Shared: Strategy · RPG · Post-apocalyptic

SpellForce 3 Soul Harvest
Shared: Strategy · RPG · RTS

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

Tempest Rising
Shared: Strategy · RTS · Isometric

Age of Empires II (Retired)
Shared: Strategy · RTS · Isometric

ATOM RPG: Post-apocalyptic indie game
Shared: RPG · Post-apocalyptic · Strategy

They Are Billions
Shared: Strategy · RTS · Post-apocalyptic

Kenshi
Shared: RPG · Post-apocalyptic · Strategy

Survivalist: Invisible Strain
Shared: RPG · RTS · Post-apocalyptic

Mount & Blade II: Bannerlord
Shared: Strategy · RPG

Shadowrun Returns
Shared: RPG · Strategy · Isometric

UnderRail
Shared: RPG · Post-apocalyptic · Isometric

Warhammer 40,000: Dawn of War II - Anniversary Edition (Classic)
Shared: Strategy · RTS · RPG

Infection Free Zone
Shared: Post-apocalyptic · Strategy · RTS