The Mahalo Top 7
- Wikipedia: Contra
- GameSpot: Contra (NES) | (XBOX)
- INeoSeeker: Contra (NES) | (XBOX)
- MobyGames: Contra
- GameFAQs: Contra (NES) | (XBOX)
- 1up: Contra (NES) | (XBOX) | (Arcade) | (PC)
- YouTube Videos: Contra Stage 1 Gameplay (Time 2:07)
Contra News, Blogs and Articles
- IGN: Cold War Patriot Games (July 03, 2008)
- IGN: Top 10 Tuesday: Best Co-op Games (June 05, 2007)
- IGN: Top 10 Tuesday: Toughest Games to Beat (March 20, 2007)
- GameSpot: Rewards coming for Gamerscores, offer extended (February 14, 2007)
- 1up: Contra Coming to XBL This Week (November 06, 2006)
- GameSpot: Contra hits XBLA this week (November 06, 2006)
Contra Cheats, Tips and Walkthroughs
- GameSpot: Contra Hints & Cheats
- NeoSeeker: Contra Cheats
- GameFAQs: Contra FAQs | Cheats
- IGN: Contra FAQs | Cheats
- GameRankings: Contra Cheats
- CheatsCodesGuides: Contra Cheats (NES) | (XBOX)
- CheatCodesGalore: Contra Cheats (NES)
- ActionTrip.com: Contra Hints & Cheats
Contra Interviews and Reviews
- HonestGamers.com: Contra Reviews (March 19, 2005)(10)
- GameSpot: Contra Reviews (January 14, 2007)(9.1)
- GameFAQs: Contra Reviews (July 22, 2003)(9/10)
- GamePro: Contra Reviews (November 27, 2006)(3.5/5.0)
- GameRankings: Contra Reviews (November 24, 2006)(64)
Contra Online Retailers
- VideoGamesGeek: Contra
- PlayersChoice: Contra
- JJGames.com: Contra
- VideoGamesCentral: Contra
- StoneAgeGamer: Contra
- TriForceGamez: Contra
- eBay: Contra
- eCrater: Contra
Contra Fan Sites, Message Boards and Forums
- IGN: Contra Message Boards
- NeoSeeker: Contra Forums
- GameFAQs: Contra Boards
- XBOX Forums: Contra Forums
Contra Images
- GameSpot: Contra Images
- NeoSeeker: Contra Screenshots
- GameRankings: Contra Screens
- GameFAQs: Contra Images
- MSN Live Search: Contra Images
Contra Videos
- 1up: Contra Speed Run (Time 12:52)
- GameTrailers: Contra in 10 minutes (Time 12:36)
- GameTrailers: Contra Speed Run NES (Time 13:52)
- 1up: Contra NES Start to Finish Without Dying (Time 18:08)