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Prism Riot

The colour card game, rioted — 65 free modes in your browser and on Android, with the iPhone app in App Store review.

About Prism Riot

Prism Riot is Dixon App Studio's original shedding card game: match the energy or the symbol, stack draw cards, block with Shields, charge the Riot Meter and burst. Play it free at mindskillsarcade.com/crazy-eights — Crazy Eights, Merciless (no-mercy +10s and a 25-card knockout rule), Eclipse (a table that flips to its dark side), Eruption, 7-0, and web-exclusive house rules like Jump-In, Last Card Call and Doubles. Solo players get 120 puzzle levels, ten bosses and an Endless Gauntlet; friends can pass and play on one device or send a Friend Challenge link with the exact same deal.

Features

✓65 game modes — Crazy Eights, No Mercy, flip, 7-0, jump-in and more
✓120 puzzle levels plus a daily chain and daily pyramid
✓10 bosses, a six-tier cup and an Endless Gauntlet
✓Pass & Play for 2–4 people and Friend Challenge links
✓Free, no download, works offline, 9 languages
✓Free Android app on Google Play; iPhone app in App Store review
✓Rule guides, card meanings and a free score calculator

Who it's for

Card game fans, families and friends who want a quick colour-matching game in the browser — and anyone settling a house-rules argument.

Frequently asked questions

Is Prism Riot free?▾

Yes — every mode is free at mindskillsarcade.com/crazy-eights with no download or account.

Is it like UNO?▾

It's an original game in the same colour-matching family, with its own cards, the Riot Meter and 65 modes. It isn't affiliated with Mattel.

Can I play with friends?▾

Yes — Pass & Play seats up to four on one device, and Friend Challenge links send your exact deal to a friend.

Is there a Prism Riot app?▾

Yes. The Android app is free on Google Play, with the same 65 modes, and it plays fully offline. The iPhone app is in App Store review; its link appears here as soon as Apple approves it.