Constant C
Developed by International Games System, Co., LTD. · Published by International Games System, Co., LTD.
At a glance
Overview
An action, casual, indie game by International Games System, Co., LTD., published by International Games System, Co., LTD. — single-player.
Steam’s own one-line description: “In the year 1905, Albert Einstein published the theory of special relativity, suggesting that nothing could move faster than the speed of light. What if any mortal could break that constant? Stretch it beyond its limits? Would human beings finally be able to find a way to cheat death and win over immorality?” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Constant C.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | Yes |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7, Windows 8, Windows XP
- Processor: Intel Duo Core Processor or Up
- Memory: 1 GB RAM
- Graphics: DirectX 10 Graphic Card
- DirectX: Version 9.0c
- Storage: 500 MB available space
Recommended
- Memory: 1 GB RAM
- DirectX: Version 9.0c
- Storage: 500 MB available space
Supported languages (8)
Constant C FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Constant C?
Steam classifies Constant C as a Action, Casual, Indie game, developed by International Games System, Co., LTD.. In the year 1905, Albert Einstein published the theory of special relativity, suggesting that nothing could move faster than the speed of light. What if any mortal could break that constant? Stretch it beyond its limits? Would human beings finally be able to find a way to cheat death and win over immorality?
How much does Constant C cost?
As of June 2026, Steam lists Constant C at $9.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Constant C single-player or multiplayer?
Steam lists these modes for Constant C: Single-player. It lists a single-player mode.
Is Constant C on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Constant C for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Constant C out yet?
Yes — Steam lists a release date of Mar 11, 2014.
What platforms is Constant C on?
Constant C is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Constant C single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Constant C cost?
Steam lists it at $9.99.
Does Constant C have achievements?
Yes — Steam lists 15 achievements for Constant C.
What is Constant C's Metacritic score?
Constant C has a Metacritic score of 60/100, per the Steam store listing.
Who made Constant C?
Constant C is developed by International Games System, Co., LTD. and published by International Games System, Co., LTD..
Where to get Constant C
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, International Games System, Co., LTD..