Big thanks to @
Fatal x Blade for noting this challenge mode is the fastest and easiest to do. I recommend this mode for original, high score and caravan mode.
1. Choose "Challenge Mode (VS CPU)"
2. Pick Easy/Normal difficulty. (@Pigimus Prime confirmed all achievements can be earned on easy. Personally I found normal easier because of more opponents)
3. Choose "World" (Bottom row, far right)
The key is to defeat the opponents fast as possible to get tonnes of points.- Connecting combo's will speed this up
- Plan ahead and see which lines you can connect next. Sometimes you might notice me lining some close together in 2's then earning quick combos.
Hope this video is helpful.
I actually did my high score and caravan mode on the puzzle mode which takes much longer and more difficult. Original mode believe it or not is probably the hardest.
Me reaching 199k in Caravan mode.
Puzzle mode: