No Mistakes
Popcorn
Popcorn Bonus
Overload
Chaos Theory (two attractors, two balls)
Something's Wrong
Eternity
Eternity II
Eternity III
Eternity IV
[10]
Reverse Polarity
Jupiter
Floaty Light
Wind (one fan)
Crossfire (one sideways one down)
Air Loop (four)
The Storm
Stormy Bonus
Water (drained out after all balls away)
The Swamp (water on mud)
[20]
High Gravity
Sludge Filter (water | mud)
Strange Orbit (emittor on odd path)
Magnetism (one attractor)
Repulsion (one repulsor)
Rogue Balls (make your bat smaller)
Rogue Balls 2 (just kill you)
Half-Sized Bat
Odd-Sized Bat (changing in length)
New Colours (colours in reverse order)
[30]
Street Lights (all balls shades of yellow)
Red Alert (no mistakes bonus)
Clouds
Rain
Acid Rain
Dark Matter (black clouds)
Blackout (40% the bottom of screen was black)
Moving Blackout (bar moves up and down)
Something with two attractors and two repulsors
Behind Bars
[40]
Fast Forward
On The Ceiling (gravity initially negative, then flips)
Rotating Gravity (perhaps "New Code"?)
Wrap (left/right)
Hypersource
Surprise (balls turn red every 30 seconds - clock)
Bungee (balls connected to source)
Flood bars (vertical stripes of water)
Shrink (get smaller until invisible)
The Bat with the Hole™
[50]
----- Misc. Sequel Levels (1998/9) -----
Orange & Green (first level of Acorn Particles II)
Blue Fountain (first level of QBASIC Particles)
Odd Clusters (second level of QBASIC Particles)
----- Subgame N Levels (2001) -----
Normality
Breezy Day (two fans in opposite directions?)
Asteroid Field
Pinball Bumper
The Unexpected (time reversal!)
Rainbow (upwards fan [moving], balls form in mid-air, four blocks only correct coloured balls can go through)
Fission
Traffic Lights (downwards fan [moving], only red, yellow, green are visible)
The final remix (dull)
+ Mines that make your bat temporarily diappear
----- More Ideas -----
More source orbits (low down and up/down)
White balls that split into one of each colour on hitting ground