@Tgedati: No reason to rage. The mothership can be easily tackled, by always pre-emptig its attacks. After taking over your initial planet, attack the planet, that the mothership is going to attack. The distance to the planet group is the motherships weakness und has to be abused. By always pre-empting it, you slowly take over all planets and let your forces grow, while the Mothership cannot become stronger.
0. Set game speed to slow and always use all units in a single force. Leave all planets at 0 units. Do not waste time by defending to early and cancelling a take over.
1. Go straight with 120 units for the right laser station, consider restarting if yellow happens to defend it with 120 units. Ignore the center completely.
2. Right after having taken over the laser go for the full right circle, one by one with all units each time. Keep defending the laser station but without wasting time.
3. After having taken the right side, go for the middle outer ring, start with a planet that's in the lower right, so that it does not carry your force to far to the left. Do not worry to much about holding these planets.
4. Black arrives. Keep holding the right and keep taking over the center.
5. Try balancing your attacks against black and orange. Chase enemies away from your planets between takeovers, if possible to that they attack the other enemy.
@Smurf123: You seem to have gotten a bit stuck on it, which is ok but no reason to blame the game of poor design or the AIs of teaming up. I can do level 34 on hard consistently an I'll post a strategy in the next post (character limit).
@777alexxxxx777: Infinite money mode:
1. Start endless game:
2. place area and ghost area tower near exit
3. call in 50 waves early (click fast)
4. upgrade both towers and combine with range and damage boost to mega tower
5. call in 2000 waves early
-->semiinfinite money