| Game | Short | Publisher | Notes | |
| 2300 AD (MgT Traveller) | 23M | 2300AD MgT Traveller | VIEW | |
| 2300 AD (MgT2/NT Traveller) | 23N | 2300AD NT Traveller (MgT 2e) -
**Current release version of 2300AD** -
Requires the Traveller (NT) Core Rulebook | VIEW | |
| Advanced Dungeons & Dragons | ADD1 | TSR Inc. | 1st Edition
| VIEW |
| Advanced Dungeons & Dragons (2nd Edition) | ADD2 | 2nd Edition
| VIEW | |
| Alien RPG | AL | Year Zero Engine, website | VIEW | |
| Anime 5E | A5 | 5e Anime Fantasy | VIEW | |
| Bablyon 5 RPG | B5 | B5 2nd Edition (OGL d20) and Traveller (MgT) Editions | VIEW | |
| Battlestar Galactica | BSG | Margaret Weiss Productions | Cortex RPG System -- Upwardly compatible with generic Cortex Prime. | VIEW |
| Blade Runner | BR | Year Zero Engine game, website, Kickstarter | VIEW | |
| Blu-Ray, DVD & CD | BDVCD | Various | Media Discs | VIEW |
| Books, Other | Bks | Reference, Fiction & Other Non-Game Books | VIEW | |
| Call of Cthulhu (7e) | CoC7 | Definitive and Official Horror RPG, based on HP Lovecraft | VIEW | |
| Call of Cthulhu (d20) | CoC20 | VIEW | ||
| Cepheus Engine | CE | Open Game System d6 Sci-Fi RPG, derived from Traveller | VIEW | |
| Cortex Prime | CP | Fandom Tabletop | Cortex Prime is the generic evolution from Cortex and Cortex Plus systems previously developed by Margaret Weiss Publications. Backwards compatible with previous Cortex games, including Firefly, Serenity, Battlestar Galactica and Supernatural RPGs | VIEW |
| Cyberpunk 2.0.2.0 | CP20 | Latest version is Cyberpunk Red. | VIEW | |
| d20 Modern | d20M | D&D 3.5e revised for modern and sci-fi settings, d20 system. | VIEW | |
| Dishonored RPG | DH | 2d20 System | VIEW | |
| Doctor Who RPG (C7) | DWC | Doctor Who Adventures in Time and Space - www.cubicle7.com cf. 2nd Edition is Current release version of Doctor Who RPG | VIEW | |
| Doctor Who RPG (C7/2e) | DW2e | Doctor Who Adventures in Time and Space - www.cubicle7.com **2nd Edition is Current release version of Doctor Who RPG**, all 1st Edition books are compatible with 2nd Edition | VIEW | |
| Doctor Who RPG (FASA) | DWF | FASA d100 System | VIEW | |
| Doctors and Daleks RPG (C7-5e) | DW5 | Cubicle 7's 5e/d20 Doctor Who RPG | VIEW | |
| Dune: Adventures in The Imperium | DUNE | Adventure & Intrigue amongst the houses of Frank Herbert's Dune Novels, website | VIEW | |
| Dungeons & Dragons 3.5e | DnD3.5 | 3rd Edition Revised, 3.5e
d20 system, Open SRD
| VIEW | |
| Dungeons & Dragons 3rd Edition | DnD3 | 3rd Edition, d20 system, Open SRD
| VIEW | |
| Dungeons & Dragons 4th Edition | DnD4 | 4th Edition, d20 system | VIEW | |
| Dungeons & Dragons 5th Edition | DnD5 | 5th Edition, d20 system - **Current release version of D&D.** | VIEW | |
| Equipment | EQ | Hardware | Computer, audio and electronic equipment out on loan | VIEW |
| Everyday Heroes | EH | d20 Modern revised to 5e modern rules, https://www.evilgeniusgames.com/ | VIEW | |
| Expanse RPG, The | XP | AGE System at Green Ronin Games | VIEW | |
| Farscape RPG | FS | AEG | d20 System | VIEW |
| Fate | FT | Successor to the FUDGE system using the same dice & basic mechanic | VIEW | |
| Fiasco RPG | FI | Bully Pulpit Games | VIEW | |
| Firefly Role-Playing Game | FF | Firefly is better regarded than Serenity, but didn't get a whole lot of support. You'll need to come up with a bunch of stuff on your own, fortunately, | VIEW | |
| Five Leagues From the Borderlands | 5L | Five Leagues From the Borderlands, at Modiphius | VIEW | |
| Five Parsecs From Home | 5P | Five Parsecs from Home at Modiphius | VIEW | |
| Games | GAM | Various | VIEW | |
| Generic RPG | GRPG | Various | Misc. RPG Books | VIEW |
| GURPS 3e | G3 | Generic Universal Role-Playing System, 3rd Edition | VIEW | |
| GURPS 4e | G4 | Generic Universal Role-Playing System, 4th Edition - **Current release version of GURPS.** | VIEW | |
| Judge Dredd (d20) | J20 | Mongoose Publishing | d20 System | VIEW |
| Judge Dredd (MgT) | JM | Mongoose Publishing | Mongoose Traveller 1e Ruleset | VIEW |
| Judge Dredd and The Worlds of 2000 A.D. (WOIN) | JD | W.O.I.N. ruleset - including Strontium Dog and Rogue Trooper **Last release version of Judge Dredd RPG/Licence ended Spring 2022.** | VIEW | |
| Light Sabers & Gear | SABER | VIEW | ||
| Lord of the Rings Roleplaying (5e) | LotR5e | d20 5e | VIEW | |
| Marvel Multiverse RPG | MMR | www.marvel.com/rpg | VIEW | |
| Monty Python's CCMRP | MP-CCMRP | Monty Python's Cocurricular Mediaeval Reenactment Programme | VIEW | |
| My Life with Master | MLwM | VIEW | ||
| Notes Wiki | N | VIEW | ||
| Old School Role-Playing Rules | OSR | Various | Old School Role-Playing | VIEW |
| One D&D (2024) (Playtest) | 1DnD | VIEW | ||
| Owl Hoot Trail | OHT | Fantasy Cowboys and Indians (d20) | VIEW | |
| Paragon (Superhero RPG) | PRG | Formerly d20 Supers (2002) | VIEW | |
| Paranoia Rebooted | PA/RB | VIEW | ||
| Paranoia Second Edition | PA/2e | West End Games | VIEW | |
| Paranoia XP | PA/XP | Mongoose Publishing | The Computer is Your Friend, Citizen. | VIEW |
| Pathfinder (1e) | PF1 | d20 system, aka 3.75e, PFSRD (1e) | VIEW | |
| Pathfinder (2e) | PF2 | VIEW | ||
| Polaris RPG | POL | In a post-apocalyptic water world, humanity survives under the sea. | VIEW | |
| Prime Directive | PRI | Amarillo Design Bureau | VIEW | |
| Scum and Villainy | S&V | Future Sci-Fi adventure. | VIEW | |
| Serenity Role Playing Game | SER | Replaced by "Firefly RPG", which is reportedly better than Serenity, -- Upwardly compatible with Cortex Prime. | VIEW | |
| Software | SoftW | Various | VIEW | |
| Space: 1999 | SP9 | 2d20 System (under development) | VIEW | |
| Spycraft | SPY | Crafty Games | d20 based Espionage RPG. | VIEW |
| SpyCraft 2.0 | SP2 | Updated and improved espionage using d20 | VIEW | |
| Squadron UK | SQUK | Superhero RPG with UK supplements | VIEW | |
| Star Trek (Decipher) | ST/D | Decipher | (2002-2007) | VIEW |
| Star Trek (FASA) | ST/F | FASA d100 System (1982-1989) | VIEW | |
| Star Trek (LUG) | ST/L | Last Unicorn Games | (1998-2001) | VIEW |
| Star Trek Adventures (1e) | ST/M | **Current release version of Star Trek RPG.** 2nd Edition under development | VIEW | |
| Star Trek Adventures, Captain's Log | STCL | Solo Gameplay 2d20 | VIEW | |
| Star Wars (d20 Saga Edition) | SW/S | WotC | VIEW | |
| Star Wars (d20) | SW/C | WotC | VIEW | |
| Star Wars (d6 WEG) | SW/W | West End Games | The original Star Wars RPG | VIEW |
| Star Wars (EDGE/FFG) | SW/FE | **Current release version of Star Wars RPG.**
IP transferred to EDGE Entertainment Studios (Asmodee Group - owners of FFG) and re-prints now available. | VIEW | |
| Star Wars X-Wing 2.0 | XW2 | FFG | Board Game, Miniatures Game | VIEW |
| Starfinder | SF | Paizo | d20 | VIEW |
| Stargate SG-1 (WG) | SG1 | StarGateTheRPG.com (2021) | VIEW | |
| Tales from the Loop | TL | Free League | Year Zero Engine, also Tales from the Flood | VIEW |
| Tempus Omni | TO | VIEW | ||
| Terminator RPG | TR | Terminator RPG @Nightfall Games, S5S System | VIEW | |
| The Code | Code | Simon Burley | Extremeley Light ruleset, with books for several genres. | VIEW |
| Toon Deluxe | TN | Steve Jackson Games | The Cartoon Role-Playing Game Deluxe, aka v2 | VIEW |
| Traveller (CT) | CT | GDW | VIEW | |
| Traveller (MgT) | MgT | VIEW | ||
| Traveller (MgT2/NT) | NT | New Traveller (aka Mongoose Traveller 2nd edition), Set in Classic Era c.1105 **Current release version of Traveller.** - some books updated 2020s | VIEW | |
| Traveller (MT) (MegaTraveller) | MT | VIEW | ||
| Traveller (T4) (Marc Miller's Traveller) | T4 | GDW | VIEW | |
| Traveller (T5) | T5 | Far Future Enterprises | VIEW | |
| Traveller d20 (T20) | T20 | QLI/RPGRealms | VIEW | |
| Traveller GURPS (GT) | GT | Steve Jackson Games | VIEW | |
| Traveller: The New Era (TNE) | TNE | GDW | VIEW | |
| W.O.I.N. | WOIN | What's O.L.D. is N.E.W. (and N.O.W.) (Publisher's Site) --
WOIN Rules/WRRD (Open Gaming Content) --
| VIEW | |
| Warhammer FRPG 4e | WH4 | Fantasy Flight Games | VIEW |