Games like Strike Team Gladius
Games like Strike Team Gladius include XCOM 2, Solasta: Crown of the Magister, XCOM®: Chimera Squad, Fell Seal: Arbiter's Mark, and Marvels Midnight Suns Digital Edition. We matched them by the tags players give Strike Team Gladius on Steam (Strategy RPG, Tactical RPG, 3D, Top-Down, and Futuristic): closest matches first, and among equally close ones the better-known games.

XCOM 2
Shared: Turn-Based Combat · Sci-fi · RPG

Solasta: Crown of the Magister
Shared: Strategy RPG · RPG · Turn-Based Combat

XCOM®: Chimera Squad
Shared: Sci-fi · Futuristic · Singleplayer

Fell Seal: Arbiter's Mark
Shared: Tactical RPG · Strategy RPG · RPG

Marvels Midnight Suns Digital Edition
Shared: Tactical RPG · Strategy RPG · Turn-Based Combat

Jagged Alliance 3
Shared: Tactical RPG · Turn-Based Combat · Strategy RPG

SpellForce: Conquest of Eo
Shared: Tactical RPG · Strategy RPG · 3D

Cyberpunk 2077
Shared: RPG · Sci-fi · Futuristic

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Strategy RPG · 3D · Turn-Based Combat

The Last Spell
Shared: Tactical RPG · Strategy RPG · RPG

Heroes' Vow: Three Kingdoms
Shared: Strategy RPG · Tactical RPG · RPG

STAR WARS Zero Company™
Shared: Sci-fi · Turn-Based Combat · Singleplayer

NORSE: Oath of Blood
Shared: Tactical RPG · Turn-Based Combat · Top-Down

King Arthur: Knight's Tale
Shared: Tactical RPG · Turn-Based Combat · RPG

Gears Tactics
Shared: Strategy · Singleplayer · RPG

Clair Obscur: Expedition 33
Shared: Turn-Based Combat · RPG · Singleplayer

Expeditions: Rome
Shared: Tactical RPG · RPG · 3D

The Banner Saga
Shared: Tactical RPG · Strategy RPG · RPG

FINAL FANTASY TACTICS - The Ivalice Chronicles
Shared: Tactical RPG · Strategy RPG · RPG

Tactics Ogre: Reborn
Shared: Tactical RPG · Strategy RPG · RPG

Ash of Gods: Redemption
Shared: Strategy RPG · Turn-Based Combat · RPG

Warhammer 40,000: Rogue Trader
Shared: Tactical RPG · RPG · Turn-Based Combat

Kingdom Heroes 8
Shared: Tactical RPG · Strategy RPG · Strategy

Mecharashi
Shared: Tactical RPG · 3D · Top-Down