There's a lot of new stuff in MR2. Here is a run down of what you can expect to find and some tips on how to use it...
New Game Features
Game Save - allows you to save at any point.
Bigger Map - over 100 screens to explore.
Summon Berlin - call Berlin to your aid, the morph spell works on him too!
Plus Golden Machine Gun, improved Medikits, improved game speed, choice of keyboard layout, visible health, temporary invincibility.
> Energy Beam - good for taking out heavy monsters or buildings.
> Morph - fire it at yourself to temporarily turn into a different creature, for a health or speed advantage. See bottom of the page for more on how to Morph.
> > Monster Summon - summon monsters to fight on your side.
> skeleton warriors
> bugs, which come from eggs thrown by > > lizard soldiers
> pit monsters
> black orcs
... and more! (grey ghosts, necromancers, sumo wrestlers, hydra, improved goblins, and of course - The Scarlet Wizard!)
Visual Instructions for Morphing
> collect the purple scroll
> charge up a morph spell
> fire it at yourself
> press Ctrl or Q to change back to Energy Blast
> proceed to next screen and run around twatting stuff!
> at any time press Crtl or Q to switch spells. To morph back into Merlin, fire a blank Morph spell at yourself