Since I have had the chance to test the release build for a day, I'll go ahead and list some positive and negative things about the game, in it's current state.
- Terrain deformation
- Tire pressure simulation
- Realistic water behaviour
- Driving physics in general
- Maps are pretty big, and full of challenging terrain
- You can mow down trees ^_^
- Vehicles of all sizes, ranging from the small UAZ (Jeep) to the monstrous 8x8 Maz.
- Winching is fun and very useful. You can attach it to both other vehicles and trees.
- Attaching a crane to your truck, to pick up lumber, move rocks out of the way and sometimes to help push the truck up.
- The game is very well optimized.
- Trucks take damage, and consume fuel. You can install a utility addon for mobile repairs, or a fuel cistern for re-fueling in the field.
- The camera could be much better. With the tallest addons it can be a real challenge to see ahead.
- Maps could be more varied. It's mostly the same mix of grass, trees, mud and water.
- The only official objective is to haul lumber. More variety would be welcome.
- Only one map will save your progress at a time - if you select another map, your progress wil be lost on your current one. This will be fixed in the future though.
- No wheel support at launch, though it does support the 360 controller (or others if you use Xinput or a similar program). Wheel support is a planned feature.
- No analogue braking. This will also likely be fixed. Throttle and steering are analogue though.
- Lack of proper manual shifting. This'll probably come along with steering wheel support.
- Draw distance should be customizable.
With all that said... As a VIP backer on the kickstarter campaign, and having had access to the beta since May 9, I can safely recommend this game to anyone with an interest in off-roading. If you've tried the tech demo, you know what to expect. Just think bigger; more trucks, more functionality and much bigger maps. All in all, even in beta, this is perhaps the most fun I have had in a realistic off-road game so far. Try the tech demo first; if you like it - there's a safe bet that you will enjoy the full game.
The devs seem committed to continuing to improve the game after launch, both with free updates and dlc packs later on.