 Pari gbolohun yii: Niles ṣe awọn modulu pupọ fun ere DD, pẹlu X3 Curse of Xanathon, B5 Horror on the Hill, CM1 Test of the Warlords, ati H1 Bloodstone Pass, ati awọn modulu Dragonlance DL2 Dragons of Flame, DL6 Dragons of Ice, DL9 Dragons of Deceit, ati DL11 Dragons of Glory. Niles ni olùdásílẹ  1985s , eré orí ìtàgé ńlá kan. Niles ṣiṣẹ lori Battlesystem Supplement, Star Frontiers modulu SF4 Mission to Alcazzar ati SFKH1 Dramune Run, Indiana Jones modulu IJ2 Raiders of the Lost Ark, awọn Ogun Agbaye II Game, awọn Sirocco Strategy Game pẹlu Zeb Cook, ati awọn Endless Quest awọn iwe EQ  26 Tarzan ati awọn daradara ti Slaves ati Super EQ 3 Escape From Castle Quarras fun TSR. Tracy Hickman ti kó Harold Johnson, Jeff Grubb, Carl Smith, àti Larry Elmore sínú èrò Dragonlance kí Margaret Weis àti Niles tó dara pọ mọ wọn. Niles ni onkọwe iwe ofin Dungeoneers Survival Guide 1986. Niles ti n ṣiṣẹ lori trilogy ti awọn aramada ti o ni akori Celtic fun TSR, Ltd., eyiti o ti yipada lati di awọn iwe akọkọ ti Forgotten Realms, ti o bẹrẹ pẹlu Darkwalker on Moonshae 1987. Niles tun ṣe akojọpọ The City of Greyhawk pẹlu Carl Sargent, fun eyiti o ṣe apẹrẹ iwe-iwe 96-iwe Greyhawk: Gem of the Flanaess. Niles ati Paul Lidberg ṣe apẹrẹ ere tabili A Line in the Sand 1991, eyiti o ṣe apejuwe akọkọ : Ogun US-Iraq; o jẹ ọkan ninu awọn iṣẹ akanṣe ti o wa lati TSR West, ati pe o ti tẹjade ni ọjọ ti ibomirin AMẸRIKA bẹrẹ ọpẹ si agbara Flint Dille lati ni idaniloju alakoso ile-iṣẹ lati jẹ ki awọn nkan yara yara. 