Games like Third Party President
Games like Third Party President include Into the Breach, Age of History II, The Last Spell, XCOM®: Chimera Squad, and Democracy 3. We matched them by the tags players give Third Party President on Steam (Strategy, Casual, Turn-Based Strategy, Political Sim, and Top-Down): closest matches first, and among equally close ones the better-known games.

Into the Breach
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

Age of History II
Shared: Strategy · Turn-Based Strategy · Political Sim

The Last Spell
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

XCOM®: Chimera Squad
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

Democracy 3
Shared: Strategy · Political Sim · Indie

STAR WARS Zero Company™
Shared: Turn-Based Strategy · Strategy · Turn-Based Tactics

Plague Inc: Evolved
Shared: Strategy · Casual · Singleplayer

Mini Motorways
Shared: Strategy · Casual · Indie

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based Strategy · Singleplayer

The Battle of Polytopia
Shared: Strategy · Turn-Based Strategy · Singleplayer

Game Dev Tycoon
Shared: Strategy · Casual · Indie

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

XCOM: Enemy Unknown
Shared: Strategy · Turn-Based Strategy · Singleplayer

Warhammer 40,000: Mechanicus
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

Wargroove
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

Plebby Quest: The Crusades
Shared: Strategy · Casual · Indie

Jagged Alliance 3
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

XCOM 2
Shared: Strategy · Turn-Based Tactics · Singleplayer

Sid Meier's Civilization® V
Shared: Strategy · Turn-Based Strategy · Singleplayer

Battle Brothers
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

BattleTech
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

911 Operator
Shared: Strategy · Casual · Singleplayer

Balatro
Shared: Strategy · Singleplayer · Casual