Seems tonight (August 20) is Halo 3 Co-op Night, according to Co-Optimus.com and Xbox.com. Get together with friends… and coop! Thanks to Morpheus for the heads-up.(Louis Wu 10:58:51 UTC)

LoneRanger 2.5 stopped in to mention that OXM’s newest issue has a cover story on Halo 3: ODST – but warns that it’s full of information that might ruin some surprises for you. Marty O’Donnell backed him up. (Louis Wu 10:58:06 UTC)

Halo Wars designer David Leary has written another Developers Blog entry over at HaloWars.com – this one focuses on playtesting. Give it a read! Thanks, 2900d4u. (Louis Wu 10:57:24 UTC)

Minime637 noticed a new Gamescom-originated video, this one showing off Crater(Day). (We’ve seen the Crater map before – but only the night version.) Swing by YouTube to watch.(Louis Wu 10:56:36 UTC)

FyreWulff thought it might be easier to understand how Halo 3 and Halo 3: ODST intersect if he created a spreadsheet. Nice work!(Louis Wu 10:54:27 UTC)

A new campaign aimed at increasing sensitivity towards hurtful language has been launched – Think B4 You Speak is supposed to teach people that word choice is important. Mike LaBossiere, a professor of philosophy at Florida A&M, has written a piece for Talking Philosophy tying this campaign in to online gaming, and Halo in particular. Solid read – it’s a subject that’s worth looking at, but maybe this new campaign isn’t the right approach. (Penny Arcade’s Tycho agrees.)(Louis Wu 10:49:07 UTC)

Looks like EBGames Canada is offering their “Gaming Guarantee” to Halo 3: ODST; if you buy it and don’t like it, you’ve got a week to return it for full (pre-tax) credit (spendable only in-store, but still). Not a bad offer!(Louis Wu 10:48:07 UTC)

Bungie’s posted an article they call ‘Early Intel: Rally Point‘ – it’s basically a pair of new screenshots from the Campaign, along with a little bit of setup for them. (There’s also word of a new ViDoc, seeing the light of day at Gamescom in Germany this week, but hopefully coming to the web soon.) (Louis Wu 10:45:21 UTC)

Pup and Friends were back at it in August – there’s another Grifball Double XP highlights reel online for your viewing pleasure. Go watch! (Thanks to urk for the heads-up – and if you read the bnet blog post, you’ll learn some PAX-related Grifball info… check it out!) (Louis Wu 10:43:57 UTC)

Bungie.net has posted ‘Citadel In-Depth‘ – it’s a look (an in-depth look, not surprisingly) at the upcoming Halo 3: ODST multiplayer map Citadel. Designer Lars Bakken, art director Justin Hayward (no, not the one from the Moody Blues) and artist Blake Low discuss the layout of the level, and how it came to be. Tossed in for good measure are a few new action screenshots. Go look it over!(Louis Wu 21:18:05 UTC)

This week’s Community Spotlight is focused on Tactical Gaming, a 5-year-old group bringing gamers together. Swing by to read an interview with members of the group, and check out their files in Bungie Favorites!(Louis Wu 18:18:34 UTC)

GameTrailers has a pair of short videos (one | two) of Halo 3: ODST Firefight mode, recorded at gamescom in Cologne, Germany. Nothing really new here… Thanks to Kibbles, over at NeoGAF, for finding them.(Louis Wu 18:07:03 UTC)

A pair of videos can be found over on Bungie.net today: Inferno Media released a trailer for Shattered 2, a new montage featuring Sargoth (nice editing!), and 8-Bit Halo Episode 5 is out, with the Master Chief going up against Bowser. (No, not the one from Sha-Na-Na.) Out of the frying pan, into the fire…(Louis Wu 17:24:22 UTC)