RPG Science Fiction

Free Elements LITE RPG

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Free Elements LITE is a starter version of a more complex RPG where, according to the author:

This system utilizes the Elements TTRPG system, which is a freeform action system. You perform actions by describing what you want to do, and picking a skill to use. Based on that skill’s rank, check your multiplier table to see how many points it has. All checks require skill rolls from both parties to determine the success rate, regardless of what the target may be, you’ll engage in a battle of skill checks with it. If you don’t have the proper skill, you must perform an untrained skill check with it. Rate of success when performing an action determines the outcome of a battle, if successful enough the DM will allow you to describe the outcome, where if you’re within 9pts of each other’s checks the DM will describe what happens instead.

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Machinations Steampunk RPG

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Machinations is a simple steampunk RPG. From the author’s description:

Welcome to the Eternal City, the home of the Machinations RPG. Take on the role of an Adventurer, an Alchemist, an Artificer or even a deathless Automaton. Band together with others to form a Free Company and then hire yourselves out to perform acts of sabotage, espionage, assassination, extortion, blackmail or plain old robbery. All in a world a short step from our own, where reason has been lost, empires exist to be built and strange technology dominates all walks of life. It is a world of sinister intrigue, awful power, terrible events and dark portents. There is also beer, song and glory

Old School Hack RPG

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There are a lot of people out there trying to recapture the spirit of the original D&D games. For my own part, I can think of nothing that was more magical than my first excursion into the blue covered rulebook I got back in the late 1970s/early 1980s. Old School Hack is another attempt.

Stars Without Number Free RPG

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Stars Without Number is temporarily free at RPG Now. It’s an old-school RPG.

The year is 3200 and mankind’s empire lies in ashes.

The Jump Gates fell six hundred years ago, severing the links between the myriad worlds of the human diaspora.

Now, the long isolation of the Silence falls away as men and women return to the skies above their scattered worlds.

Will you be among them?

Stars Without Number is a retro-inspired science fiction role playing game influenced by the Old School Renaissance. The contents are compatible with most old school clones and are designed to be easily imported to your own favorite gaming system. In addition to a complete pre-made stellar sector, Stars Without Number offers GMs and players the tools to create their own sandbox-style adventures in the far future.

Classic mechanics adapted for science-fiction adventure in the far future
Extensive GM support for building adventure-crammed sandbox settings more quickly and easily
World building resources for creating system-neutral planets and star sectors
100 adventure seeds and guidelines for integrating them with the worlds you’ve made
Old-school compatible rules for guns, cyberware, starships, and psionics
Domain rules for experienced characters who want to set up their own colony, psychic academy, mercenary band, or other institutio

Blaster Simple Science Fiction RPG

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From the author:

Blaster is a generic SciFi RPG in the 26th century where mankind’s unity has been sundered by war and where a few good men can still make a difference.

More like Firefly and Buck Rogers (the 1930′s version) than Star Trek you will form a team of adventurers who have a small starship which they can use to explore, travel, trade and fight against the dying of the light.

As usual both the core rules and the setting are single page affairs and are completely compatible with other titles in the Dead Simple RPG series.