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The role-playing side of Warhammer Fantasy (WFRP) has seen a number of distinct editions over the decades. We've had everything from one-book-to-rule-them-all first edition, impressive-core-and-many-supplements second edition, almost-a-board-game third edition, and now back-to-d100-and-turned-up-to-11 fourth edition. Heck, there's even a whole alternative game, The Old World, that takes place in a completely different historical time in the setting. The colourful career system, gritty critical hits, and the grim nature of the setting with a dash of Blackadder humour all make WFRP a great game, almost regardless of which edition you choose.
But what if for some reason you don't want to deal with any of the original rules? What if you're looking for more of a pastiche? What if you're looking for a game that can handle the Old World and then some?
Zweihänder is a sort of re-imagination of WFRP 2nd edition. It's not a true retro-clone (not in the way OSE or OSRIC are clones of B/X &D and AD&D), but it's the closest on this list. It's definitely crunchier than 2nd edition (it actually hews closer to 4th edition in this regard). The numbers are reworked from the ground up, and the professions (i.e. careers) are more or less balanced against each other (at least in the number of advances they have access to). With the Main Gauche supplement, you have practically everything you'll ever need for this game.
Zweihänder Reforged was released recently, and I haven't had a chance to go over it yet to see how it specifically improves upon Zweihänder (the Kickstarter page mentions reworked Professions and Talents, rebalanced maths, and significant changes to Injuries and Corruption). It's still a hefty tome with tons of careers, talents, spells, and monsters, so it's unclear to me if the writing is any more economical compared to the first edition.
Warlock! is often recommended as a rules light alternative to WFRP. It's a d20-roll-high system that feels like the combination of WFRP 1st edition and Fighting Fantasy. I have actually reviewed it on this very blog, so I'll spare you the details here.
Shadow of the Demon Lord is a streamlined d20-based dark fantasy game. It's not specifically made to replace WFRP, but it can easily be used to run WFRP-esque scenarios and campaigns. It's extremely well supported; there are both small and large supplements that expand upon character options, enemies, subsystems, and world-building.
Small But Vicious Dog is a freely available mashup of B/X D&D and WFRP in the most hilarious way possible. It was never developed further than version 0.3, but even in its current state it provides a suitably strong base you can expand upon. Have I mentioned how funny the writing is? Even if you're not gonna run it, just read it for the laughs.
An example of this could be Ten Dead Rats. It's a minimalistic 24-page rules set (and free) that was featured in a live-stream campaign roughly based on Enemy Within (since I don't watch RPG streams, I can say nothing else about it other than it's out there).
Another D&D-esque game that can be used to run WFRP-esque games is Lamentations of the Flame Princess. The base game alone has everything you need, except for monster stats, but everyone who's ever run LotFP either made up their own creatures or used one of the many bestiaries from virtually any TSR-era-compatible game.
Colonial Gothic might feel like a stretch as it's more of a historical game with occult/supernatural overtones, and the tech level itself is a bit more advanced than what WFRP normally has. On the other hand, it's got rules for sanity, fear, and diseases and is well suited for various horror scenarios, possibly involving cultists, witches, and malformed creatures (beastmen?).
At some point there was a World of Dungeons playset called Streets of Marienburg which was a clearly labelled WFRP fan adaptation (more in terms of options and subtle rule changes than massive reworks to the base game). I mostly note it here for historical reasons as I don't think it's available any more.
Fléaux! is an extremely well-made WFRP-like game using a variant of The Black Hack (actually, it mostly closely resembles Black Sword Hack, another great game by the same author). It even comes with its own setting (an interesting pastiche of the Old World).
Sledgehammer and Brighthammer are two truly minimalistic d100 games, cut down to the bare essentials. There isn't much to say about them; if you like minimalist design with perhaps a little bit of attitude, check them out.
Black Powder & Brimstone is a fairly recent game compatible with Mörk Borg. I have yet to look into it, but I'll throw it out there as I suspect it belongs on this list based on cursory examination.
Last but not least, there are two games that deserve special mention. HammerHack and City of the Damned are both attempts to extrapolate from early Warhammer Fantasy Battles and Mordheim (similar to how certain campaigns use Chainmail as the base game and extrapolate from there instead of backporting OD&D or AD&D systems) to explore an alternate path of development. I highly recommend you read the relevant blog posts as well: an introduction that lays out the plan, some sample characters, and an example combat. Neither of these games are finished in any sense of the word, but I find them immensely inspiring (although my design takes original Rogue Trader and its remarkable retro-clone, Renegade Scout, as the starting point).
The same person also shared another game with the title City of the Damned, this time adapting Electric Bastionland to Mordheim. I am much less keen on this particular design (although I recognise its elegance), but I am a completist, so here you go.
Don't forget to share, like, and subscribe. And because dialogue fosters a deeper engagement, have youguys played any of the above games? Was your scenario or campaign set in the Old World or somewhere else? In what way were you trying to emulate WFRP — or starkly differentiate from it? Is there any other game you think I've left off this list?


