Our aliens porno games catalogue counts dozens of them in total. Compilation of Sex Games with Aliens includes best adult games with UFO to relax and spend time.

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Sex Games with Aliens

UFO

Fort of the Naughty World

You find yourself in a strange fortress deep in the forest. You are surrounded and outnumbered by not only horny monsters but also strange-looking creatures. Unluckily your curiosity got the best of you and you are trapped inside. The only way out is to either give into the sex-craving monsters or defeat them. It's entirely your choice to give them the carrot or the stick. To complete this game, ensure you use different items at your disposal to solve the puzzles and complete all five stages.

1.2M 74% 81 Flash

Tali Zorah DLC Mission

This is a cute parody of Tali Zora and Commander Shepard from the game Mass Effect. Your task is to fuck Tali Zora in different places and be ready to cum at any moment in her pussy or mouth. The game offers different options for sex positions, just choose the one you like and wait until Shepard is ready to cum. You've definitely never seen Tali Zora ready for such sexual adventures.

261.1K 64% 5 Flash

Lust Goddess (Sp0ns0red)

Assemble your unique squad of sexy mercenary girls. Earn their love and trust, and they will show you their gratitude by bringing your wildest and lewdest fantasies to life! Play Free Now!

2K 100%

Pussymon 12

So what's new in this episode: as usual new storyline, 8 new Pussymon, 1 new main story character, 10 new animations, 7 new areas, 2 new Easter eggs, new mechanics, improvements in gameplay and many more.

176.8K 60% 6 Flash

Galactic Monster Quest

Imagine when you say the sex was out of this world and it's actually true! In this game, you will find yourself exploring different space locations. Whichever place you land, you meet hideous yet sexual creatures that want to have a taste of you. These intergalactic creatures want to breed you so badly, impregnate you and make you give birth to new races. Some ain't that bad and just want to be friends with you. Ofcourse friends with benefits,wink wink. Your main task is to meet, new races, fuck them and make connections with them. Enjoy!

2.2M 53% 117 Recommended Gays HTML

UFO [v 0.6.0]

You were abducted by aliens 1000 years ago and now you've been found by some weird women. Anyway you just have to navigate through the story, making some decisions and enjoy big asses and titties as usual in such sex games.

410.1K 75% 38 Shemales Ren'Py

The Void Club Ch.1 2.0 - The Witcher

This game is a remake of the Witcher but of course with a sexy twist. Characters from the original series have been featured in this parody. Ciri is as beautiful as ever with her emerald eyes, Yenefer is still a seductive witch and Triss still has her beautiful doe eyes. The Witcher Universe will be having horny monsters that want to fuck these beautiful babes. The game features a new story, new artwork which have a better quality. Just like in the previous chapter, you will have to make certain decisions that will determine the game's life path. Make your decisions carefully so that you can move forward through the game.

171.3K 64% 9 HTML

Mental Blast [v 0.07]

Get ready for an epic adventure in a massive game filled with captivating videos. As you step into the shoes of Elexis, also known as Veil, prepare for a thrilling journey. After a challenging mission, Elexis finds herself plagued by strange dreams. Determined to escape this haunting experience, she seeks the help of a mysterious man who has aided her in the past. But be warned, this quest won't be a walk in the park. Brace yourself for unexpected twists and turns as you navigate through an immersive world filled with suspense and intrigue. Can you help Elexis unravel the secrets behind her dreams and find the peace she seeks? Dive into this exciting game and find out!

213.9K 73% 27 Shemales RPG Maker

Synthya 3006 (all 6 episodes)

Ms. Synthya Behave, 5th generation cyborg bounty hunter, has accepted a new assignment. She is working for the president of Sniph Cosmetics, Carla Hug. She must produce evidence that Meat is unfaithful to her. She'll follow him around the space to prove that.

147.4K 56% 4 Flash

Pantograph

For all alien and monster sex lovers here's another game from AKATA. In this compilation you'll see 3 women from the Earth Defense Force and how they become totally helpless toys for monster aliens.

223.6K 57% 3 Flash

Resident Evil - Hounded

Another hardcore sex animation featuring Jill Valentine. She got captured once again and no one is going to save her from sex with evil monsters. Click on white arrow buttons at the bottom part in the game.

699.7K 71% 17 Flash

Corta Sex

In this game a horny tentacle fucks blue skinned bitch. Your job as usual isn't very hard :) Just select actions tentacles to perform and watch. Press Cum button when You're ready cum in her blue pussy or cream her pretty face with your strange colored cumshot.

573.1K 76% 22 Flash

The Penthouse

In this furry adult game your hero is going to a night club called "The Penthouse". It is one of the best places where you can pick up a girl for a good fuck. Help our hero to explore this big house and all its surroundings to fuck everything that moves.

664.4K 67% 33 Flash

Dangerous Mask Spider Monster

This hardcore animation set is about a hot girl who's having sex with strange men and later with a giant spider monster. You can just click next button to move forward. Game is in Japanese and as usual - fucking censored.

204K 53% 9 Flash

Doujin Effects - Perestroika

This sex game is based on comics. Few girls are being fucked by gigantic green monsters. They fuck those poor girls with their huge cocks and loads them with cum. Use navigation panel in the top right corner to switch between scenes and control movie flow.

534.8K 65% 9 Flash

Samus the Tentacle Trap

You play as a tentacle monster and your task is to capture Samus. Click on the tentacle to attack and then select one of them to protect yourself. Then click attack button. After you strip her you'll unlock great sex scenes.

633.5K 67% 29 Flash

Aeon’s Echo (Sp0ns0red)

Dive into the enchanting world of Aeons Echo! As the protagonist, you will interact, bond, and evolve with various captivating goddesses. Enjoy an immersive role-playing adventure in a visually stunning universe. Play Free now!

2K 100%

Natsume 2 [Edit]

This is an edited version of Natsume 2 game. Natsume now has blond hair, different eye-looks and many more. Tentacles also became more aggressive and hornier. Enjoy this Hentai game.

376.2K 75% 17 Flash

Beyond

Nekoken 3D Animation Series Vol.9. This story starts somewhere around 13 light years from Earth. This planet is called Beyond. It's a really unknown place and there are some live beings. But as all creatures they want to breed for sure.

523.5K 62% 8 Flash

Raven Sladed

This flash movie is a parody of Teen Titans featuring Raven and Slade. It uses footage from the actual cartoon intermixed with actual vector based flash animation. Even though this is a parody, it is extremely sexually explicit in nature and should be considered hentai. Watch how Slade rapes Raven.

653.7K 77% 125 Flash

The Void Club Ch.25

This is yet another chapter from the Void Club series. The chapter will feature characters from the popular Star Wars series and it will be featured in their universe - the Batuu planet. As is tradition, you will have to bring someone from your choice into your club. So, who is the lucky character? Will it be Rei, Princess Leia, Jyn, Sabine or someone else. Whoever you choose, ensure you have a blast with her. Ensure both you and your clients devour her pretty little holes and claim her as your own by cumming in her. At the same time, Sylvia and her master will be doing their best to achieve their agenda in a different time dimension.

119.8K 78% 9 HTML

Liara - Cum Dumpster

In this strange game you can calculate cumshot diet. The main heroine of this game is Liara T'Soni from Mass Effect video game. Just cum in her mouth as much as you want and see how much calories she got. Press Z to open Liara's mouth. Press C to close her mouth, and press X to swallow. Press the shown key to cum in her mouth, but use Shift also, because this game is case sensitive. Reach all 26 achievements in the game.

339K 62% 14 Flash

Mech Academy [v 0.4.18]

This is a visual novel about the future, or more precisely, about the year 2175. The main character works as a pilot of a giant military machine that protects the Earth from a ruthless alien race. Their main goal is to capture and enslave earthlings. During the rest between battles, the main character will have the opportunity to meet many sexy women whom he can seduce. Be careful, as all answers will have a great impact on the development of the game's story line.

116.4K 81% 28 Recommended Ren'Py

Pussymon 16

Monthly update for Pussymon. Here you'll find 8 new Pussymon, 10 new animations, quests and many more. Game play hasn't changed so walk around and try to catch wild pussymons.

161.4K 57% 6 Flash

The Void Club Ch.1

You're going to open and recruit one of the best sex clubs in the history of universe. Your task is to look for cool girls around the Space, recruit and make them server for you. Of course you have to test each of them before that. Make right decisions to reach your goal or die trying.

365K 66% 16 HTML

My Sexiest Martian

You were hauling a passenger ship of Martians to Aloma. The Martians made a pilgrimage to Aloma to participate in an annual fertile ceremony - which was pretty a planet-wide orgy. You never been with a Martian girl - though a lot of your co-pilots had told you they were amazing at sex. And now you will find out if it is true or not. Do everything you can with her in this old school sex animation game.

138.2K 48% 2 Flash

Lust Odyssey [v 0.27.4]

You woke up and found yourself on a spaceship in total darkness. You lie alone and completely naked, without any memories of who you are and how you got here. Over time, you will be able to understand what is happening and why you lost your memory. Move around the ship looking for your crew or aliens. You have to make a lot of difficult decisions in this dark and atmospheric adventure game.

78K 65% 8 Gays Ren'Py

Labyrinth Sophia

Story takes place in ancient Greece, Crete. A time of Minotaur, war between men and gods - and in between all of this there's the virgin Pasiphae. Follow her story as she travel through strange labyrinth with a sword in her hands.

280.6K 53% 7 Recommended Flash

Pussymon 33

This 33th episode is called: Sounds like a plan. This project has been up for 3 years now and this is a celebration episode. What's new in this update? 8 new Pussymons, 26 new animations, a new quest, new sex scenes and story.

128.9K 58% 7 Flash

Inn Another World

This is a visual novel and dating simulator. You are in another world where you are trying to manage a hotel in a small town. You need to adapt to a new place as soon as possible, as there are a lot of adventures await you. You will see a lot of different races, creatures, and also encounter different and unusual situations that you need to get used to.

139.1K 79% 23 Shemales Ren'Py

Aeon’s Echo (Sp0ns0red)

Dive into the enchanting world of Aeons Echo! As the protagonist, you will interact, bond, and evolve with various captivating goddesses. Enjoy an immersive role-playing adventure in a visually stunning universe. Play Free now!

2K 100%

Catching Princess 2

Princess has been kidnapped by an alien monster. She's looked at some dungeon and her hands are tied. But not only alien will breed with her. Such characters as lion will also appear later :) Crazy as usual.

285.2K 58% 10 Flash

Slugs and Bugs: Conversion [v 0.8.7]

Your alien race has lost many accomplices in the fight against human resistance. But you still managed to kidnap some of the most powerful female warriors. Now you can turn their mind, body and soul into whatever you want. Inspect all the rooms before start their transformation and proceed to sexual actions on the girls.

137.7K 73% 48 Recommended Ren'Py

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