10. Goombas, Chain Chomps, and Pirahna Plants appearing in Link’s Awakening It might seem like a dream come true to imagine Mario villains appearing in a Zelda game, and it weirdly enough happened on a GameBoy title all the way back in the early ‘90s, right under most people’s noses. Link’s Awakening is a fantastical, different feeling Zelda game, so the inclusion of these weird foes, even including Wart from Super Mario Bros. 2, kind of makes sense (there’s even a Yoshi doll that makes an appearance). This made even more true by the fact that the game turns out to all just be a dream of Link’s in the end (spoiler alert). Perhaps the green-clad hero was just up all night playing Super Mario Bros. 3…

9. Samus Aran and Link appearing in Super Mario RPG It might be a bit of a blink-and-you’ll-miss-it sort of cameo, but if you’re mucking around in a SquareSoft RPG, there’s kind of the expectation that you’re exploring every nook and scouring every cranny, so shame on you if you missed this nugget. It might not amount to much, but if you stop by the castle in the Mushroom Kingdom or the Rose Town Inn, you’ll also encounter some other very popular heroes looking to recharge their batteries. That’s about all there is to this appearance, other than an all-too familiar Zelda tune playing when you prompt link, but in a very pre-Super Smash Bros. world, seeing all of these heavyweights together was kind of a big deal.

8. Final Fantasy characters appearing in Mario Hoops 3-on-3 This might not exactly be the most exciting cameo on paper, and not even the sort of thing that you ever thought you wanted, but with that being said, the first time I unlocked the familiar faces of a black mage, moogle, and more, I got pretty darn excited and surprised, which has to amount to something. This sort of crossover is allowed to take place due to Mario Hoops being developed by Square Enix, and while it’s a superfluous little addition to the game, it surprisingly goes along way. While asking to see Mario and co. intermingle with integral Final Fantasy characters in a basketball game might be asking too much, throwing in these random, more everyday characters into the fray is a welcome mix.

7. Mortal Kombat characters appearing in NBA Tournament Edition And speaking of weird additions to basketball games, would you believe that some of the deadliest, scariest fighters from Outer Realm ended up keeping time on the court under some very weird circumstances. Somehow Scorpion, Sub-Zero, Reptile, and Raiden became playable characters on your roster in NBA Tournament Edition for both the Sega Saturn as well as the Arcade. There was even a surprisingly gruesome Mortal Kombat court that was meant to be included in the game before ultimately being pulled. It’s a lot of fun to have these atypical fighters on your team though, even if they’re not allowed to do fatalities during penalties.

6. Mario and friends in NBA Street V3 What is it about basketball games having the most inspired crossovers? Whatever it is, here’s another very solid example of why you should probably be checking these games out if you haven’t already. Even though Mario and the gang have previous basketball experience, this still feels the strangest out of all the sports related cameos, even if it is one of the cooler ones. Here, Mario and his cartoonish pals are inserted into the ultra realistic basketball title with the crossover feeling very foreign and awkward. Certainly points for trying here, but this version of Mario and friends makes them seem more like monsters or deranged mascots, not athletes.

5. Little Mac appearing in Fight Night Round 2 It’s a little surprising that Punch-Out!!’s Little Mac has only seemed to have recently found the love and adoration that he was seeking for decades off of the scene. While he might be integrated well into the Smash Bros. universe at this point, he had another lesser known, but equally justified appearance in the boxing series, Fight Night. It’s a very tiny bit of fan service, but for Nintendo to inject their most popular boxer into another boxing game makes a lot of sense and it’s nice that it could happen.

4. Freddy Kreuger, Jason Voorhees, Kratos, and Predator appearing in the Mortal Kombat series Mortal Kombat has always been known for mixing it up, and in its more recent years as it’s lost some steam, last ditch efforts to rejuvenate the series and reclaim fans can be seen in some of these desperate-feeling cameos. Kreuger and the popular God of War’s Kratos were added in Mortal Kombat, and Predator and Voorhees will be joining the madness in the upcoming Mortal Kombat X. It makes you think where the franchise will go in the coming years, and if someone like Snake Plissken or the T-1000 are beyond competing in the tournament. I wonder how they all are on the basketball court…

3. Link in Mario Kart 8 It might have seemed inevitable, but Link joining the roster in the latest Mario Kart title really opened up a lot of doors for the franchise. There was a weird barrier that had yet to be crossed due to the “Mario” in Mario Kart, but thankfully, imaginary baggage could be gotten past and these worlds could finally be bridged. Offering up Link as downloadable content rather than an included character right from the jump is also a fair compromise and makes a lot of sense, ushering in the beginning of a generous new era of DLC from Nintendo. Hopefully this wave will continue and Link won’t be the last outsider to join the kart series.

2. Link in Soul Calibur II and Spawn, Darth Vader, and Yoda in Soul Calibur IV Even before Mortal Kombat was mining the depths of pop culture for new fighters, Soul Calibur was already dredging the depths. The franchise is a fighting series where every character has a different sort of sword, with swords being integral to the gameplay. In this sense, Soul Calibur has wisely chosen various sword-wielding guests to stars in their games, whether it be the light sabers of Darth Vader and Yoda, or the infamous Master Sword of Link (kind of closing the deal that he’s really the character that people seem to want most in their franchise). With such a strong voice behind the series, these cameos weirdly seem to compliment the universe rather than take away from it.