Vault of Vermillion
Descend. The vault rearranges itself while you do.
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PuzzleExperimental
Palindrome Engine
The level plays itself backwards. You have to agree with it.
PC
Published by Kalari Interactive · PC
Storyline & Lore
No story. A puzzle box, in early access, with a devlog that is more honest about its problems than most postmortems.
Gameplay & Core Systems
Every level is solved twice: once forwards, and once by the level replaying your solution in reverse, which has to also be valid. Thirty levels in early access with a stated target of eighty.
Key Game Mechanics
Two-way validity
A solution only counts if it also works played backwards, which is a much narrower space than it sounds.
Public devlog
Weekly, including the weeks where nothing worked, which is most of them.
Thirty of eighty
Early access with a stated level count and honest progress against it.
Controls & Game Modes
Hover cards to test visual controls
Movement Binds
Binds for character navigation and positioning.
Combat Controls
Attack triggers, secondary aim, and weapon reloads.
Abilities Trigger
Skill activations, ultimate execution, and utility binds.
Interface Binds
Scoreboards, mapping widgets, and overlay displays.
Virtual Input Map
ESC
Q
W
E
R
I
TAB
A
S
D
F
M
SHIFT
Z
X
C
V
SPACE
L-CLICK
R-CLICK
Highlighted buttons indicate mapping for the selected control category.
Available Game Modes
UNRATED
Standard match without rank pressure.
COMPETITIVE
Ranked, skill-based lobbies.
SPIKE RUSH
Fast matches with random power-ups.
DEATHMATCH
Free-for-all aim training.
System Specifications
Optimized Recommended Settings
Performance Target: 60+ FPS @ 1080p/4KOperating System-
Processor (CPU)-
Memory (RAM)-
Graphics Card (GPU)-
Required Storage-
Critic Reviews
Written by verified critics on GzoneSphere. Player reviews live in their own section below.
Critic Reviews
"The central idea is so clean it is hard to believe nobody has shipped it, and the early access build already justifies itself."
3/15/26
"Thirty levels in and the difficulty curve is already better handled than most finished puzzle games."
2/10/26
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