Very good game. It glitches up sometimes, though. For example, there will be a group of three of the same colored bubbles, but I can't click them and make them go away.
The replay option doesn't work. I've tryed playing replays and I found a couple of problems. It plays some of the levels incorrectly. It only played half of the levels. To the rest of the game, the physics were horrible. The coaster flies off of the track. Real roller coasters stay on the track at all times, not flying around all over the place. The music is annoying. The graphics were appaling. They almost looked exactly the same in low quality.The concept was fine, the execution was awful. I give it a 2/5.
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