Have a Exp System preset into the graal engine. I feel graal could have one final thing that would make them greater than any other game engine available free. And that is a exp engine like rpg maker's. Now I know rpg maker isn't free... cough. But I see a lot of players and developers trying to make their own exp system. It can't be that hard to add in? Right?
if(playertouchsme){
set playerhasexp;}
if(playerhasexp){
playlevel+1;
hp+10%;
mp+10%
def+.6%;
agi+.5%}
if(exp==10){
playlevel=+1;
message You have gained Lvl2!;
//a string to save the current lvl}
if(exp==20){
playlevel=+1;
message You have gained lvl3;
}
I know there's flaws in here. But it's not that hard to make an exp engine. Once you get the first lvl gain working. Then from there players can make variations.
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Any rule that has no exception is doomed to fail.