i really love this idea, so i thought id add to it a little. i mostly just want to bump the thread, but here are some achievement and reward ideas:

some achievements id like to see:
PK
-get 5000 pks-500 gralats
-get 10000 pks-1000 gralats
-get 20000pks-2000 gralats
-get 40000pks-4000 gralats & access to the special room
-get 100000pks-10000 gralats & a special achievement hat
-kill 1000 people with arrows-500 gralats
-kill 1000 people with bushes-500 gralats
-kill 1000 people with .5 health-500 gralats
-kill 1000 people on horseback-500 gralats
-kill 5000 people with arrows-2500 gralats
-kill 5000 people with bushes-2500 gralats
-kill 5000 people on horseback-2500 gralats
-get all pk achievements-10000 gralats
Spar
-get 1000 spar wins-500 gralats
-get 6000 spar wins-3000 gralats & 6k hat
-get 10000 spar wins-5000 gralats & 10k hat
-tie 100 spars-100 gralats
-tie 500 spars-500 gralats
-tie 1000 spars-1000 gralats
-get all spar achievments-10000 gralats
CTF
-help your team win CTF 100 times-100 gralats
-help your team win CTF 500 times-500 gralats
-help your team win CTF 1000 times-1000 gralats & achievment hat
-capture the flag 10 times-100 gralats
-capture the flag 50 times-500 gralats
-capture the flag 100 times-1000 gralats
-kill 100 people in CTF-50 gralats
-kill 500 people in CTF-250 gralats
-kill 1000 people in CTF-500 gralats
-kill 5000 people in CTF-2500 gralats
-kill the person with the flag 10 times-100 gralats
-kill the person with the flag 50 times-500 gralats
-kill the person with the flag 100 times-1000 gralats
-get all CTF achievements- 10000 gralats
Misc.
-buy 10 hats-100 gralats
-buy 50 hats-500 gralats
-buy 100 hats-1000 gralats & achievement hat
-farm 10000 gralats-500 gralats
-farm 50000 gralats-2500 gralats
-farm 100000 gralats-5000 gralats
-farm 200000 gralats-10000 gralats & achievement hat
-get all the RPS hats-1000 gralats
-win RPS 100 times-100 gralats
-win RPS 500 times-500 gralats
-win RPS 1000 times-1000 gralats & achievement hat