First cube-ship-UFO
gameplay: looks pretty good so far. Not too much of an issue here
Decoration: Looks good at first, but then looks very repetetive and has little to no background. The block design isn't bad, but i think there could've been more to do with the background.
Sync: Good, syncs with transitions.
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Robot
Gameplay: again, pretty good, but a tad repetitive. Still, not bad.
Decoration: Looks simple/basic, but still works with the level. Like before, it starts to be a little boring, but it's ok.
Sync: Is still good.
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Wave
Gameplay and Decoration: Starts out looking very good!... then it clearly looks copy and pasted. The block design is good, but it could have had variations.
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Cube-End
Gameplay and Decoration: Probably the best part IMO. It keeps the same style of block design throughout the part, but has good variations in terms of both design and gameplay. Still no background though.
Overall rating: (6.5-7/10)