Prismhold

Play the free demo right here in your browser. Two maps, runs up to wave 30, and your progress is saved in this browser. Prismhold is coming to Steam: add it to your wishlist there.

Tower defense, dealt from your deck

In Prismhold every tower is a card. Build a deck from 140 towers across 14 elements, then draft from it every wave: the shop deals five cards, you buy, place them beside the path and hold the line against wave after wave of creatures. How far can you go?

Merge three, evolve without limits

• Three identical towers merge into the next evolution: stronger, bigger and with a new look
• There is no evolution cap. Keep merging: III, IV, V and beyond
• A focused deck deals the same cards more often, so you evolve faster

14 elements, 140 ways to hit

Fire, Water, Ice, Lightning, Darkness, Light, Poison, Nature, Earth, Air, Spirit, Cosmic, Laser and Firearms. Every tower attacks in its own way: dragon breath, chain lightning, black holes, falling stars, tornadoes and ricocheting diamond beams. Creatures resist some elements and break under others, so mix your deck.

Bosses, flyers and elites

• Every 10th wave a crowned boss arrives with a shield, regeneration, fury or splitting
• After a boss you reach the Summit: return victorious with all your crystals, or push deeper
• Flying waves only fall to towers with the wing mark
• 130 creatures from 8 biomes, and every cycle brings tougher elite waves

Real progression

• Start with room for 10 towers and grow as you level up
• Open element packs with crystals, upgrade your cards up to ★10 and complete the collection
• Augments change every run: economy, evolution and element mastery
• Gifts during your first two hours, including a Legendary tower pick
• Available in 23 languages

What the demo includes

Two maps (Meadow and Snowy Winter), runs up to wave 30, every tower, the packs and the gift path. The full game has 8 maps, endless waves, a daily challenge, Steam leaderboards and 47 achievements.

Multiplayer needs Steam. Co-op on one map and up to 4 players side by side are in the Steam demo and the full game, not in this browser version. Demo progress does not carry over to the full game.

How to play

• Made for desktop browsers (Chrome, Edge, Firefox) with a mouse. Phones are not supported
• Use the fullscreen button under the game for the best view
• It is a 3D game: on a slower computer, lower the graphics quality in Settings

About the art

The translations of the game and the store page, and much of the code, were made with the help of AI. All art is drawn by the game's own code; no AI image generators were used.

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