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Cepheus Engine vs Lancer

Compare Cepheus Engine and Lancer side by side. See differences in complexity, dice, genre, cost, and more.

Cepheus EngineLancer
GenreScifiScifi
Play StyleSandbox, Modular, Toolkit, SimulationTactical, Mecha, Grid-Based, Character Building, Combat-Heavy, Heroic, Crunchy
Core MechanicRoll 2d6 + skill level + characteristic modifier. Meet or beat 8 to succeed. Effect (margin above/below 8) determines degree of success or failure. Lifepath character creation with careers, skills, and mustering-out benefits.Narrative scenes use d20 roll-over (10+ succeeds), with backgrounds granting advantage and triggers adding flat bonuses. Mech combat is grid-based and tactical — no initiative, players and NPCs alternate turns. Pilots progress through License Levels (LL0–LL12), unlocking new chassis, weapons, and systems across five manufacturers with 30+ mech frames.
Dice2d6d20 + d6
ComplexityMediumHigh
AccessibilityHighHigh
CommunityMediumMedium
LicenseOGLLancer Third Party License
CostFreeFree (PDF) / $$
PublisherSamardan PressMassif Press
Year20162019
Best ForGMs who want a fully open, hackable classic sci-fi engine for sandbox campaigns — trade, exploration, and space combat without any IP restrictions.Groups who want deep tactical mech combat with meaningful customization layered on top of accessible narrative play — giant robot enthusiasts seeking a modern alternative to BattleTech.
HighlightsCompletely free and OGL, large third-party ecosystem, comprehensive rules covering personal combat to starship design, fully compatible with classic Traveller materialFree core PDF, extensive mech customization with 30+ frames, clean split between rules-light narrative and crunchy tactical combat, Comp/Con companion app is well-integrated, active community
ConsiderationsDense 200+ page SRD with no setting or adventure content, lifepath character creation can kill characters before play, assumes GM comfort with sandbox prepMech combat dominates — narrative half feels thin by comparison, steep learning curve from sheer volume of mech options, genre-locked to sci-fi mech fiction, requires grid/VTT for combat