Games like Protostar Twilight
Games like Protostar Twilight include The Last Spell, Jagged Alliance 3, The Banner Saga, Fell Seal: Arbiter's Mark, and XCOM 2. We matched them by the tags players give Protostar Twilight on Steam (Tactical RPG, Turn-Based Tactics, PvE, RPG, and Strategy RPG): closest matches first, and among equally close ones the better-known games.

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

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

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

Fell Seal: Arbiter's Mark
Shared: Turn-Based Tactics · RPG · Tactical RPG

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

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Tactics · Strategy RPG · Turn-Based Strategy

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

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

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

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

Symphony of War: The Nephilim Saga
Shared: Tactical RPG · RPG · Turn-Based Strategy

Inkbound
Shared: Tactical RPG · Turn-Based Tactics · PvE

Songs of Conquest
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy RPG

TROUBLESHOOTER: Abandoned Children
Shared: Tactical RPG · Turn-Based Tactics · Strategy RPG

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

Legends of Kingdom Rush
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Strategy

Sunderfolk
Shared: Tactical RPG · Turn-Based Tactics · PvE

MENACE
Shared: Turn-Based Tactics · RPG · Strategy

Banner of the Maid
Shared: Turn-Based Tactics · RPG · Strategy

Super Robot Wars 30
Shared: RPG · Strategy · Turn-Based Tactics

Disgaea 5 Complete
Shared: Turn-Based Tactics · RPG · Strategy

TRIANGLE STRATEGY
Shared: Turn-Based Tactics · RPG · Strategy RPG

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