Arkanoid R 2000 continues onto Round 51 immediately from Round 50, invalidating the need for a code entry, and includes an extra campaign with 100 new levels, several new block types, a rainbow power up (later known as "V" Vanish), and a new worm boss.
Arkanoid R 2000 proceeds directly to Round 51 without a code, eliminating the need for input, and includes an additional campaign featuring 100 new levels, novel block types, a rainbow power-up (later referred to as "V" Vanish), and a revamped worm boss.