|Japanese title||燃えろ！！プロ野球 (Moero!! Pro Yakyuu)|
|Distributor(s)||Wii Virtual Console|
|Followed by||Bases Loaded II|
|Twitch||Bases Loaded Channel|
|YouTube Gaming||Bases Loaded Channel|
Bases Loaded, known in Japan as Moero!! Pro Yakyuu (燃えろ!!プロ野球? lit. Burning!! Pro Baseball), is a baseball video game by Jaleco developed for the NES and Famicom home systems. It was released in Japan in 1987, and in North America in 1988. It was the third best selling Famicom game released in 1987, selling approximately 1,580,000 copies in its lifetime (nearly as many as Zelda II: The Adventure of Link). Each version features the names of teams and players that originate from that version's region. Bases Loaded was released on April 7, 2008 in Japan and on April 12, 2008 in North America for the Wii's Virtual Console, at the cost of 500 Wii Points.
The game is the first installment of the Bases Loaded series, followed by seven sequels across three generations of consoles. There are three more video games in the Bases Loaded NES series, Bases Loaded II: Second Season, Bases Loaded 3 and Bases Loaded 4. There was also a Game Boy version of Bases Loaded. The series continued onto the SNES platform with Super Bases Loaded, Super Bases Loaded 2, and Super Bases Loaded 3. The final entry to the series was Bases Loaded '96: Double Header, released for the Sega Saturn and PlayStation. Bases Loaded is also the first in a series of eight sports Famicom games known in Japan as "Moero!!". Although the series is comprised of generic sports games, not all of the series was localized for released outside of Japan.