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Waiting for a match? C-4. Improve your gaming skills while you wait. Mini-games used by professional players to improve the brain response. Your spare time will never be the same with C-4! Runs on top of anything. Explode your PC.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest ends
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
C-4 is a training tool designed to help you improve your skills without leaving your favorite game.
Run C-4 alongside games that support Full Screen Windowed mode and continue practicing while your game remains open in the background. The application can be minimized at any time and is designed to work without affecting game performance or modifying game files.
Practice while your favorite game is running.
Works with games using Full Screen Windowed mode.
Can be minimized instantly by pressing Esc.
Does not impact game performance.
Does not record player data.
Does not modify game configuration files.
(favorite game should be in "Full Screen Windowed" mode)
(enable developer console and type snd_mute_losefocus #)
(enable developer console and type engine_no_focus_sleep 0)
C-4 has no impact on the players' performance, nor record data or tamper with game settings files.
Lowest tracked price: €0.49 (Jul 7, 2026) · current best: €0.49 across 2 stores.
90% positive reviews all-time · 0 peak players in the last 30 days.
Right now the cheapest offer for C-4 is €0.49 at Steam. KingsPrice compares 2 offers from 2 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for C-4 is €0.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
C-4 peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when C-4 drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
