Games like Negotiations Have Failed!
Games like Negotiations Have Failed! include Balatro, Slay the Spire, Library Of Ruina, Stoneshard, and Slay the Spire 2. We matched them by the tags players give Negotiations Have Failed! on Steam (Strategy, Turn-Based, Singleplayer, Difficult, and 2D): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Strategy · Card Game · Singleplayer

Slay the Spire
Shared: Turn-Based · Card Game · Strategy

Library Of Ruina
Shared: Strategy · Difficult · Card Game

Stoneshard
Shared: Strategy · Turn-Based · Singleplayer

Slay the Spire 2
Shared: Strategy · Card Game · Turn-Based Combat

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

Darkest Dungeon®
Shared: Turn-Based Combat · Turn-Based · Difficult

Quasimorph
Shared: Strategy · Singleplayer · Turn-Based Combat

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

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

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

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

Griftlands
Shared: Turn-Based · Strategy · Card Game

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

Wildfrost
Shared: Difficult · Card Game · Singleplayer

Monster Train
Shared: Card Game · Difficult · Strategy

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

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Singleplayer · 2D

Hero's Hour
Shared: Turn-Based · Strategy · Singleplayer

9 Kings
Shared: Strategy · Card Game · Turn-Based Combat

Die in the Dungeon
Shared: Strategy · Card Game · Turn-Based Combat

Shogun Showdown
Shared: Turn-Based · Strategy · Turn-Based Combat

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

Roguebook
Shared: Strategy · Singleplayer · Card Game