Sadly like many sites at DCEmu, Deniskas site has been broken for a while but thankfully with moving things to another site it has fixed the issues, heres the links to Deniska releases:

Map This!
SDl Basic for PSP
Homebrew Games Rise of The Triad
Bermuda Syndrome
Biniax 2
Circus Linux!
Dave Gnukem PSP
Defendguin
Dodgin' Diamond II
Hex-A-Hop
Jazz JackRabbit
Kill Everything That Moves
Metal Blob Solid
Nicky Boom
Nicky II
Nikwi Deluxe
Noiz2sa
Project Starfighter
Reverzi PSP
Supertux
Toppler
Tyrian