Level 1: 0-99 pts, 1 red cube
Level 2: 100-149 pts, 2 red cubes, +20% speed
Level 3: 150-199 pts, 3 red cubes, +40% speed, yellow dots start
Level 4: 200-249 pts, 4 red cubes, +60% speed
Level 5: 250-299 pts, 5 red cubes, +80% speed (speed cap)
Level 6-10: +1 red cube per level
Level 11+: +1 red cube every 2 levels
Level 3: 4.0 seconds
Level 4: 4.5 seconds
Level 5: 5.0 seconds
Level 6+: +0.5s per level (max 18s)