Cthulhu - D20 Core: Call Of

: Systems for translating characters between the d20 engine and Chaosium’s Basic Roleplaying (BRP) system. Critical Legacy

: The system adapts classic feats for a modern or 1920s setting—transforming "Ride-By Attack" into "Drive-By Attack"—while prioritizing investigative skills over pure combat prowess. Bridging Two Worlds Call of Cthulhu - D20 Core

: Stats for entities like Cthulhu and Nyarlathotep designed to challenge high-level d20 parties. : Systems for translating characters between the d20

While standard d20 games like Dungeons & Dragons often emphasize character progression toward near-godhood, Call of Cthulhu d20 subverts these expectations through several key mechanical changes: Call of Cthulhu - D20 Core