Fire Emblem: Shadow Dragons and the Blade of Light

Fire Emblem: Ankoku Ryū to Hikari no Tsurugi (ファイアーエムブレム　暗黒竜と光の剣, Faiā Emuburemu Ankoku Ryū to Hikari no Tsurugi  , Fire Emblem: Shadow Dragons and the Blade of Light) is the first game in the Fire Emblem Tactical role-playing game series developed by Intelligent Systems and published by Nintendo. It takes place on the continent of Akaneia. It stars Marth, a character who later appeared. The Falchion weapon from this game acts as the Fire Emblem franchise's symbol in the Super Smash Bros. series.

In "Super Smash Bros. Melee" and "Super Smash Bros Brawl"
The Game's principal character, Marth, is a unlockable character in Super Smash Bros Melee and Super Smash Bros Brawl, in the later having a Final Smash called Critical hit, based on a move of the game that was able to kill your enemies with one hit.