Poker Smash is now available for download on Xbox LIVE Arcade for 800 points. Here’s the summary of the game from Marketplace:

[ESRB: E (EVERYONE) MILD LANGUAGE] Single Player, Xbox LIVE Multiplayer 2-4, Local Multiplayer 2, HD (High Definition). Unlock the full version of Poker Smash to experience seven unique game modes, eleven immersive environments, next-gen 3D graphics, original music, and innovative gameplay. Hone your skills, earn achievements, show off your prowess in LIVE multiplayer tournaments, compete with your friends, and see how you stack up in the Poker Smash community!

Link: Arcade: Poker Smash

As of this morning, you can download Rez HD and Chessmaster LIVE from Xbox LIVE Marketplace for 800 points each.

Rez HD has been highly anticipated, and it seems that it just might live up to the hype. 1UP.com has given the game a 10/10, saying it’s “…one of the best games ever made…”

Link: Arcade: Rez HD | Arcade: Chessmaster Live

After being defeated for the first time since it’s release, Halo 3 has bounced back to reclaim the #1 spot on Xbox LIVE. Major Nelson has posted the Xbox LIVE stats for last week, and it appears that Master Chief wasn’t about to stay at the #2 spot for long. It will be interesting to see if Call of Duty 4 simply had a lucky week or if it will fight back to regain the crown. What say you?

Link: LIVE Activity for week of 1/21

The U.S. Army is sponsoring yet another Halo 3 Play & Win Sweepstakes. The Heavy Weapons Training begins now and with it we have been given a Heavy Weapons dashboard theme, some gamerpics and Halo 3 Heavy Weapons training videos all free on Xbox LIVE Marketplace.

There are two ways to register for the sweepstakes. First, you can visit this registration page on Xbox.com. Second, you can download a free Halo 3 gamerpic from Xbox LIVE Marketplace, which will automatically register you for the sweepstakes.

Once you have registered, entering the sweepstakes is easy. Simply play Halo 3 multiplayer on Xbox LIVE between February 9th and February 15th. Each day you play will snag you another entry.

Prizes include a bunch of Microsoft Points and one Grand Prize winner will receive a Limited Edition, framed piece of Halo 3 Artwork (left).

Check out all the details and rules at the link below.

Link: U.S. Army Heavy Weapons Play & Win Sweepstakes
[Via Xbox 360 Fanboy]

Yeah, it took a minute to come up with that clever title. Well worth the time.

A Turok demo has finally landed on the North America Xbox LIVE today. The demo was previously available in pretty much every locale around the globe but ours. Now we know how the rest of the world feels most of the time.

Link: Demo: Turok (North America)

This week’s Xbox Live Arcade releases have been revealed by Major Nelson. Come Wednesday morning, we will be graced with Rez HD and Chressmaster LIVE for 800 points each.

Link: This week on Arcade: Rez HD and Chessmaster LIVE

Just a reminder to make sure you download Undertow today for free. After today, no more free Undertow.

Don’t forget, as of this morning you can download Undertow from Xbox LIVE Marketplace for free. It will remain free until Sunday @ 11:59pm PST.

Link: Reminder: Undertow is now free