Black King's Defense CD Key
PC price comparison · Canonheim · Nov 6, 2026
Build a maze out of chess pieces and defend your king in this Tower Defense take on the timeless classic, Chess! Pawns, rooks, bishops, knights and queens strike by their own moves as the white army marches across a 3D board, through a full hand balanced campaign.
Lowest final price
at Steam · Standard Official
Historical low: $5.99 on November 7, 2026
Get the best deal ↗Compare Black King's Defense key prices
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| Store | Edition | Activates on | Region | Price | Fees | Final price | |
|---|---|---|---|---|---|---|---|
SteamOfficial | Standard | Steam | Global | −40%$5.99 | none | $5.99 | Go to store ↗ |
- SteamOfficial
Standard · Steam · Global
$5.99 · fees: noneGo to store ↗$5.99
Black King's Defense price history
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Historical lows by store
- Steam$5.99
About Black King's Defense
Black King's Defense is a chess-piece maze defense game. The white army enters at one end of an 8 by 8 board and advances toward your king. Every black piece you place is both a wall that bends their route and a defender that strikes by its own chess move. Verifiably solvable, nearly infinite ways to play There are more possible games of chess than there are atoms in the universe, yet finding even one winning army in Black King's Defense is a real challenge! Put your chess and tactic skills to the test with this genuinely challenging chess puzzle, with each enemy wave of the campaign being pre determined, so you can adapt your strategy and defense, progressing further each run. Upgradable pieces, with special moves Strength, speed and range upgrades build your army's power. And each piece has it's own special upgrade to change the flow of your defense! Hover an upgrade to preview exactly which new squares it will reach. A full campaign A full hand-authored campaign, balanced to be difficult but with many possible solutions. Endless mode, for as long as you can hold out. Replay the last wave: pause it, slow it down, orbit the board and see exactly where you lost health. Save and quit mid-run; Continue your game where you left off. Autosaves after each wave as well. A board that plays the piano The original piano theme, The Ivory Rain, is timed on the same clock as the battle. Slow the game down or speed it up and the music changes with it. (You can also shut off the music in the settings to vibe to your own beats and relax) Checkmate Loss is only the beginning. Rethink your strategy. Learn the White King's patterns. Dive back in and defend your kingdom! Solo Dev Project Hey there! Thanks for reading all the way down here. I am Canonheim, a solo dev making indie games in my spare time. This game was inspired by my Dad, who would stay up until 4am playing old flash tower defense games like this, and who was also incredibly addicted to chess. I hope you enjoy!Read more
Black King's Defense system requirements
Minimum
- OS: Windows 10 64-bit
- Processor: Dual-core CPU, 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Vulkan-capable GPU, e.g. GeForce GTX 750 / Radeon R7 260X / Intel UHD 620
- Storage: 500 MB available space
- Additional Notes: Requires a Vulkan-capable GPU
Recommended
- OS: Windows 10/11 64-bit
- Processor: Quad-core CPU, 3.0 GHz
- Memory: 8 GB RAM
- Graphics: GeForce GTX 1050 / Radeon RX 560 or better
- Storage: 500 MB available space
- Additional Notes: Requires a Vulkan-capable GPU
Black King's Defense key FAQ
+What is a Black King's Defense CD key?
A Black King's Defense CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.
+What is the cheapest price for Black King's Defense?
The cheapest Black King's Defense key right now costs $5.99 at Steam, 40% off the regular price. We compare 1 offers from 1 store, and the price already includes payment and service fees.
+What is the historical low for Black King's Defense?
The lowest price we have recorded for Black King's Defense is $5.99 on November 7, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.
+Is it safe to buy a Black King's Defense key?
Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.
