Whilst browsing Play Asia i noticed that they had a few PSP games under 10 dollars which is £5 so a real Bargain, heres the games with descriptions where applicable:
Yarudora Portable: Kisetsu o Dakishimete (Chinese Version) 
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http://www.play-asia.com/SOap-23-83-...-j-70-xao.html Yarudora Portable: Double Cast (Chinese Version) 
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http://www.play-asia.com/SOap-23-83-...-j-70-xan.html Yarudora Portable: Blood The Last Vampire (Chinese Version) 
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http://www.play-asia.com/SOap-23-83-...j-70-13px.html Tama-Run / Mercury Meltdown 
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http://www.play-asia.com/SOap-23-83-...j-70-1iy3.html King's Field Additional I 
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http://www.play-asia.com/SOap-23-83-...j-70-1ecu.html Aedeus Memories Shinten Makai Generation of Chaos V 
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http://www.play-asia.com/SOap-23-83-...j-70-1a3h.html Simple 2500 Series Portable Vol. 4: The Mind Mapping Exercise 
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http://www.play-asia.com/SOap-23-83-...j-70-157a.html
There you have them, mostly obscure titles but a bargain none the less.