Games like Frogrammer
Games like Frogrammer include Warpips, The King is Watching, Tower Dominion, Age of Empires II (Retired), and Total War: WARHAMMER III. We matched them by the tags players give Frogrammer on Steam (Strategy, Auto Battler, RTS, Tactical, and Base Building): closest matches first, and among equally close ones the better-known games.

Warpips
Shared: Strategy · RTS · Auto Battler

The King is Watching
Shared: RTS · Base Building · Strategy

Tower Dominion
Shared: Strategy · RTS · Base Building

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

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

They Are Billions
Shared: Strategy · Base Building · RTS

Broken Arrow
Shared: Strategy · RTS · Real Time Tactics

Mechabellum
Shared: Auto Battler · Strategy · Tactical

Mindustry
Shared: Base Building · Strategy · RTS

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

Age of Darkness: Final Stand
Shared: Strategy · RTS · Base Building

Buggos
Shared: Strategy · RTS · Auto Battler

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

Starship Troopers: Terran Command
Shared: Strategy · RTS · Tactical

Wargame: Red Dragon
Shared: Strategy · RTS · Tactical

Total War: ROME II - Emperor Edition
Shared: Strategy · Tactical · RTS

WARNO
Shared: Strategy · RTS · Real Time Tactics

Aliens: Dark Descent
Shared: Strategy · Tactical · RTS

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

Company of Heroes 2
Shared: Strategy · RTS · Tactical

Total War: THREE KINGDOMS
Shared: Strategy · RTS · Tactical

Age of Mythology: Retold
Shared: Strategy · RTS · Base Building

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Tactical · Real Time Tactics

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Base Building