Gabriel Toledo began his journey in cybersports with Counter-Strike 1.6 and Counter-Strike: Source before transitioning to CS:GO in 2013. At the start of his professional career, Fallen played for teams like playArt, ProGaming.TD, and KaBuM! e-Sports, but he struggled to achieve significant results with them.
In 2016, Toledo joined Keyd Stars, and alongside his team, he won his first major award: a silver medal at the ESL ESEA Pro League Season 1 - North America tournament. Later that year, Gabriel moved to Luminosity Gaming, where he played a crucial role in the team’s victories at the MLG Major Championship: Columbus 2016 and ESL Pro League Season 3 tournaments.
In the summer of 2018, Gabriel Toledo began his partnership with MIBR, with which he won gold at the ZOTAC Cup Masters 2018, Esports Championship Series Season 7 - North America, and BLAST Premier: Spring 2020 American Showdown. He also earned silver at Flashpoint Season 1 and BLAST Premier: Spring 2020 American Finals.
In early 2021, Toledo joined Team Liquid, but his time with the squad was less successful. Over the year, he secured only a silver medal at the Regional Major Rankings 2021: North America with Team Liquid, a bronze at Intel Extreme Masters XVI - Fall: North America, and a 1-2 placement at BLAST Premier: Fall Showdown 2021.
In March 2022, Toledo joined Imperial Esports, where he significantly expanded his achievements. Notable wins include the Intel Extreme Masters XVII - Dallas: South American Qualifier, ESL Pro League Season 17: South American Conference, and BLAST Premier: Spring American Showdown 2023.
Since August 2023, Gabriel Toledo has been representing Team FURIA as a sniper. With the team, he won the Elisa Masters Espoo 2023 and PGL Major Copenhagen 2024: American RMR tournaments, as well as silver medals at the Intel Extreme Masters Dallas 2024: South American Qualifier and CCT Season 2 European Series #4.