| Fridtjof Buvarp (The Enzym) | Ode 2 3D | DEMOS/M-R/Ode_2_3D.sid | [...] |
| Mayor | Odysseija | DEMOS/M-R/Odysseija.sid | [...] |
| Asmund T. Johansen (Frequent) | Øltørst | DEMOS/M-R/Oeltoerst.sid | [...] |
| Nick Monson (Drozerix) | Off the Chip | DEMOS/M-R/Off_the_Chip.sid | [...] |
| Al Green | Officer & Gentleman 2 | DEMOS/M-R/Officer_and_Gentleman.sid | [...] |
| Arno (D.J.) | Oh My Ears!! | DEMOS/M-R/Oh_My_Ears.sid | [...] |
| Marcus Schluessler | Oh Well | DEMOS/M-R/Oh_Well.sid | [...] |
| The Iron Eagle | Okay | DEMOS/M-R/Okay.sid | [...] |
| Roy Lenders (Roy) | Okidoublo 1 | DEMOS/M-R/Okidoublo_1.sid | [...] |
| Nick Monson (Drozerix) | Old Scintillating CRT | DEMOS/M-R/Old_Scintillating_CRT.sid | [...] |
| Romas Petrov (Megus) | Old TV Tune | DEMOS/M-R/Old_TV_Tune.sid | [...] |
| ash checksum | Oldschool Streamer | DEMOS/M-R/Oldschool_Streamer.sid | [...] |
| Brian S. Jensen (The Goblin) | Om Lidt | DEMOS/M-R/Om_Lidt.sid | [...] |
| Mr. Universe | Omega Cracking Team Intro | DEMOS/M-R/Omega_Cracking_Team_Intro.sid | [...] |
| Magnus Hansson (Laser) | On My Own (tune 4) | DEMOS/M-R/On_My_Own_tune_4.sid | [...] |
| Tron & Rambo | On the Move | DEMOS/M-R/On_the_Move.sid | [...] |
| Martin Schach (Slide) | On the Top | DEMOS/M-R/On_the_Top.sid | [...] |
| Richard O'Regan (Regi Keyz) | One and Only | DEMOS/M-R/One_and_Only.sid | [...] |
| Andrzej Dobrowolski (Grogon) | One Monkey and 1000 Keys | DEMOS/M-R/One_Monkey_and_1000_Keys.sid | [...] |
| David Sullivan (Davizion) | One More Time | DEMOS/M-R/One_More_Time.sid | [...] |
| Ilkka Sjöstedt (Ilesj) | One Must Fall 2097 | DEMOS/M-R/One_Must_Fall_2097.sid | [...] |
| Ufuk Metin (Mr.DJ) | One Year Accuracy Digimix | DEMOS/M-R/One_Year_Accuracy_Digimix.sid | [...] |
| Andreas Enz | One | DEMOS/M-R/One.sid | [...] |
| Christian Wolf (Greenfrog) | Onkket | DEMOS/M-R/Onkket.sid | [...] |
| Antti Rummukainen (T-101) | Only the Good Die Hung | DEMOS/M-R/Only_the_Good_Die_Hung.sid | [...] |
| Volker Orlemann | Only You | DEMOS/M-R/Only_You_BASIC.sid | [...] |
| Blog | Oo La La Biscuit Barrel | DEMOS/M-R/Oo_La_La_Biscuit_Barrel.sid | [...] |
| Mikael Sjöberg (Snigel) | Open Your Mind | DEMOS/M-R/Open_Your_Mind.sid | [...] |
| CastleNes | Opening the Doors | DEMOS/M-R/Opening_the_Doors.sid | [...] |
| Jarkko Rotstén (Roz) | Opin Joskus | DEMOS/M-R/Opin_Joskus.sid | [...] |
| Adrian Waterhouse (Nazgul) | Orcs & Ogres Demo | DEMOS/M-R/Orcs_and_Ogres_Demo.sid | [...] |
| Henning Fagge | Orfeus i Underverdenen | DEMOS/M-R/Orfeus_i_Underverdenen_BASIC.sid | [...] |
| Richard Krvaric (Richard) | Orgasm | DEMOS/M-R/Orgasm.sid | [...] |
| Mark Knight (TDK) | Orgasmic Chipper | DEMOS/M-R/Orgasmic_Chipper.sid | [...] |
| Midknight | Oriental Dirge | DEMOS/M-R/Oriental_Dirge.sid | [...] |
| Massimo Morelli | Orzowei | DEMOS/M-R/Orzowei.sid | [...] |
| Polychronis Skarlatos (Dr. Who) | The Oua Oua Song | DEMOS/M-R/Oua_Oua_Song.sid | [...] |
| Florian Schwindling (Flosch) | Out of Law (tune 2) | DEMOS/M-R/Out_of_Law_tune_2.sid | [...] |
| Conan & Amboss | Out Runned (tune 1) | DEMOS/M-R/Out_Runned_tune_1.sid | [...] |
| Noah Vawter (DIYDSP) | The Outer Limits | DEMOS/M-R/Outer_Limits.sid | [...] |
| Abyxus | Outerversal | DEMOS/M-R/Outerversal_2SID.sid | [...] |
| Violator | Overreaction (tune 2) | DEMOS/M-R/Overreaction_tune_2.sid | [...] |
| Vision | Oxygen 4 | DEMOS/M-R/Oxygen_4.sid | [...] |
| Mr.Perfect | Oxygene 1 | DEMOS/M-R/Oxygene_1.sid | [...] |
| Robert Luben (FourthX) | Oxygene IV | DEMOS/M-R/Oxygene_IV.sid | [...] |
| Sam Washburn (Keys) | P1XLtro | DEMOS/M-R/P1XLtro.sid | [...] |
| Pet | Pac Runner v2 | DEMOS/M-R/Pac_Runner_v2.sid | [...] |
| Budda-X & Fitnak | Palettofix (Pure C64) | DEMOS/M-R/Palettofix_Pure_C64.sid | [...] |
| Can Ulas (Moloch) | Palladium #2 (intro) | DEMOS/M-R/Palladium_2_intro.sid | [...] |
| Fredrik Jonsson (Palle) | | DEMOS/M-R/Palle_01.sid | [...] |