Fastboy (Misfit)

misfit
Fastboy is a retro game for unexpanded Commodore VIC-20 (3583 bytes free).[Author's description]

[Download for Vic-20]

[Download Vice (emulator) for various platforms]

SliP (Sakuyan)

sakuyan
The main character is a little ghost who can possess creatures around him and use their ability for 10 seconds.[Author's description]

[Play online (HTML5)]

Fugit (Jerom BD)

fugit
Survive & avoid the flying critters.[Author's description]

[Play online (HTML5)]

Spoken (chrisamaphone)

2634-shot0

A haphazard experiment with audio-based IF, made with Twine and Audacity.

I really encourage you to follow the instructions at the end :)  - [Author's description]

[Play Online]

NXTWPN10 (Graeme Borland)

nx
You get a random weapon every round.[Author's description]

[Play online (Unity)]

Duke Dashington (Jussi Simpanen)

duke
I’m working on post-ludum dare version with many more rooms.[Author's description]

[Play online (Flash)]

Aliens on a Schoolday?! (Dayton McKay)

down
Can I make it out of range of the alien’s laser that fires every 10 seconds!?[Author's description]

[Play online (Flash)]

SecondsXsecondS (SaintHeiser)

seconds
You must complete 10 levels, but you have 10 seconds total of combination of various abilities.[Author's description]

[Download for Windows]

No Time For Nibbles (larb)

nibbles
If you remember Nibbles/Worms/Tron light cycle games, this game is like that.[Author's description]

[Play online (HTML5)]

The Value of Time (Infernet89)

waste
What is the value of 10 seconds for you?[Author's description]

[Play online (Flash)]