With Comet Crash you not only defend your base against rushes of enemies, but you also get to fight back with your own massive army!

There are two types of units that you can build: 'Basic Ops' and 'Special Ops'.

Basic Ops units are created faster than Special Ops units and are used to overwhelm the enemy base. There are 4 types of Basic Ops units that can be built, each with varying strength, speed and ability.

Special Ops units can be used against the enemy for offensive or defensive purposes.

Your army can consist of up to 1000 units!

Each Basic Ops and Special Ops tower produces a new unit every few seconds and teleports it to your base where it will wait for your attack command. The more Ops towers you build, the faster your army will increase.

Navigate your ship to any empty area on the map. To build Basic Ops units bring up the build menu by pressing R1. Use the arrow keys to select the tower. Press 'X' to build.

Special Ops comes with all units available, but Basic Ops must be upgraded to create different types of units. Hover over the Basic Ops tower to view the cost and upgrade attributes. The upgrade status is shown in each corner of the platform.

To switch between available units hover over the tower and hold down 'X'.

The total size of your army can be viewed in the player status bar with the sword icon. You can also determine how many of each type of unit you currently possess by opening the attack menu (R3).

It is time to cause major turmoil with your massive army of destruction. To release a particular unit type tilt the right stick toward the desired unit. The attack menu will disappear when the current attack is locked. At this point it is no longer necessary to tilt the right stick as the selected unit will automatically advance from your base. To unlock the attack, tilt the right stick in any direction.

Every enemy tower can be destroyed by ground weapon towers. This type of assault is one of many strategies that can be used to advance in the game.

You can recycle a tower to recover some of the resources that you spent on it. Hover over the tower to see what its recycle value is.

Hover over a damaged tower to display the repair stats.

There are 4 types of weapons that can be used to defend your base against enemy swarms. You can manipulate the enemy path by strategically placing weapons along the path (you will learn more about this by completing Comet Crash training). You can also defend your base using certain types of Special Ops units.

Weapons are purchased with resources (Thorium). To see how much a weapon costs, bring up the Build Menu by pressing R1 and then select the weapon. To build a weapon, navigate your ship to an empty square on the map and press 'X'. The weapon range is shown by a red circle that surrounds the weapon when hovering over it

Hover over a weapon to view its cost and upgrade attributes.

After selecting Battle mode, choose up to 4 players. Next, select a map. The symbols below the map represent the amount of resources (Thorium) available during the battle. After selecting a map it is time to select a team. The default teams are set for free-for-all. For those who prefer team play, simply change the team names so that they are the same. This means you can create even matches of 2v2 or gang up on the Comet Crash guru with 3v1.

After selecting Battle, choose the hit count for each player's base by changing the value for 'Max Hits'. After this many units enter a base, the player is finished.

Players that are highly skilled can reduce their Strength setting.

Change the 'Strength' setting to adjust the amount of resources and the 'Max Hits' for each player.  For example, if 'Max Hits' is set to 100 and the initial resources are 1000, then choosing 50% for Team A will reduce their 'Max Hits' to 50 and their initial resources to 500. Team B will continue to have 1000 Thorium and a 'Max Hits' of 100.

Selecting R3 in Battle Mode will pop up the Attack Menu which displays the current target in the center. To change targets press L1.

Navigate your ship to any square on the map that is not covered by a rock or another player's base. Press 'X' to build your base.

• Video Record - record gameplay videos to the hard drive or upload directly to YouTube™.
• Flag icons added to scoreboard. If you have an existing score, you have to get a better score in order to register your flag.
• Save Data for Campaign progress.
• Campaign time penalties are now applied as they occur, instead of at the end of the game.
• Rank is displayed in Area Complete screen.
• Building on top of units of the same team will destroy them instead of floating them.
• In Battle mode, the player that destroys an enemy base gets a Thorium bonus.

• Added new sound effects.
• New 4:3 layout for optimal SDTV gameplay.
• Re-mastered some sound effects.
• Graphics improvements.
• Performance improvements.
• Language support: English, French, Italian, Portuguese, Spanish, Swedish, Russian, Dutch, German.

• Expert difficulty level adds a greater element of challenge for seasoned Comet Crashers. Expert mode will definitely put your skills to the test.
• 4 new Battle maps (1 for each comet).
• 4 Resurgence maps for Campaign mode. Each map is unlocked after completing the 7 areas of the respective comet. It is not required to complete Resurgence areas in order to move to the next comet. Resurgence areas will be more challenging than other levels on the comet. Beware...no hints.
• Timed Battle mode. This gives you greater control over how long a match will last. Once the timer hits 0 all units will begin to spawn at 8x the normal rate!
• You can now change the rate of Thorium for the Battle maps. Choose between 50% and 200% of the default Thorium levels.