Online casinos in Colorado: 43 sweepstakes casinos you can play
43 of the 43 casinos we review accept players in Colorado, ranked by our rating, the same way as the rest of the site.
Availability comes from each casino's own published terms, not from us. Rules change without notice, so confirm on the casino's own terms page before you sign up.
Sweepstakes casinos in Colorado
Colorado is fully open: all 43 sweepstakes casinos we review accept players here, one of 16 states where that is true.
- Top rated that accept Colorado: WOW Vegas (4.6), Casino Click (4.4), Lucky Bunny (4.4).
- Most free Sweeps Coins at sign-up here: Yay Casino, 12 SC free, worth about $12. All of them are ranked on free Sweeps Coins, no deposit.
- Daily free coins: 35 of the 43 casinos open to Colorado pay a daily login bonus.
- Nearby states (West): Alaska 43, Arizona 41, California 9, Hawaii 40, Idaho 3, Montana 3, Nevada 2, New Mexico 43, Oregon 43, Utah 40, Washington 3, Wyoming 43 of 43 casinos.
Are sweepstakes casinos legal in Colorado?
We found no law in Colorado aimed specifically at online sweepstakes casinos in the state's official sources, as of October 2026. Sweepstakes casinos operate under general promotion rules, which rely on a free way to enter, and 10 states have passed laws against them since 2025, so this can change.
How every state compares: sweepstakes casino legal states.
Tax on sweepstakes prizes in Colorado
Prizes you redeem from Sweeps Coins count as income. The IRS says a prize from a drawing or other event must be included in your income on your federal return, wherever you live.
Colorado taxes income at a flat 4.4%, the rate on its 2026 estimated tax worksheet.
Sources, checked October 2026: IRS Publication 525, prizes and awards; Individual Income Tax Guide, Colorado Department of Revenue; DR 0104EP 2026 estimated tax worksheet. Rates change most years. This is a summary, not tax advice.
Available in Colorado
Other states in the West
Sweepstakes casinos in Colorado: common questions
- Are sweepstakes casinos legal in Colorado?
- We found no law in Colorado aimed specifically at online sweepstakes casinos in the state's official sources, as of October 2026. They operate under general promotion rules, and laws in this area are changing quickly.
- Which sweepstakes casinos accept players in Colorado?
- 43 of the 43 casinos we review accept Colorado players, going by each operator's own published terms. The highest rated are WOW Vegas, Casino Click, Lucky Bunny, Mega Bonanza and Spree.
- Do you have to buy coins to play in Colorado?
- No. Sweepstakes casinos are free to play and no purchase is necessary. Each one has to publish a free method of entry, usually a daily bonus or a postal request.
- How old do you have to be to play in Colorado?
- At least 18. Some operators on this page set 21 instead, and their own terms say so.
- Is WOW Vegas available in Colorado?
- Yes. WOW Vegas accepts Colorado players under its own published terms.
- Is Casino Click available in Colorado?
- Yes. Casino Click accepts Colorado players under its own published terms.
- Which Colorado casino has the biggest sign-up offer?
- Yay Casino, with 12 SC free at sign-up, worth about $12. That is the most of any casino open to Colorado players, read from each operator's own sweepstakes rules.