Roguelike - 10 lines
It's an extended version of Jakub Debski's 10 liner roguelike for the Atari 800 Turbo Basic XL. Previous port can be found here
Extended features
- Balanced the weapon damage and pickups
- Added a spin attack, can be activated with FIRE button (C) but needs 10 rounds before fully charged (hero turns orange color)
- Added a boss level (lvl 9)

How to play
To win you have to survive to level 9 of the dungeon.
In the dungeon:
웃 - represents your character. Move using joystick.
◆ - gold - collect as much of it as you can.
♥ - healing potion restores 5 hit points
⬆️ - magic scroll increases your maximum hit points (stronger scrolls appear deeper in the dungeon)
♪ - musical note to enhance the weapon. Stronger weapons can be found deeper in the dungeon, but be careful - you can replace your weapon with a weaker one.
monsters - the shape of the monster represents strength of the monster.
Monsters chase you.
Stronger monsters cause more damage. Monster shape 5 cause random damage 1 to 5.
You hit monster with random strength up to your weapon strength (with weapon 5 you cause randomly 1 to 5 damage)
Monsters steal items from the ground.
In 10 turns the spin attack charges and the hero turns orange. Press the fire to attack all adjacent monsters at once.
Roguelike - 10 lines
I'v just bumped into Jakub Debski's 10 liner roguelike for the Atari 800 Turbo Basic XL and I knew that I had to port it to Pico-8. So here it is!
Update
An extended version can be accessed (here)[https://www.lexaloffle.com/bbs/?tid=52046]
Pico-8 port
It's a faithful port of the original Turbo Basic XL version. So it's 10 liner too, but I had to made some modifications:
- the original playfield was 20x20, I had to reduce it to 16x20 because I wanted to use wide characters in the Pico-8 version.
- I'm using Pico-8 builtin glyphs instead of numbers for the monsters and for the collectables because - you know - I wanted to use the wide characters.

Original
The original is an entry to the BASIC Ten-Liners - Contest 2014 by Jakub Debski. 2014, so it's 9 years and 9 days old today.
original entry

How to play
(note: this is mostly the original rules, but changed to the Pico-8 variant)
Press Fire to start.
To win you have to survive to level 8 of the dungeon.
In the dungeon:
웃 - represents your character. Move using joystick.
◆ - gold - collect as much of it as you can.
♥ - healing potion restores 5 hit points
⬆️ - magic scroll increases your maximum hit points (stronger scrolls appear deeper in the dungeon)
♪ - musical note to enhance the weapon. Stronger weapons can be found deeper in the dungeon, but be careful - you can replace your weapon with a weaker one.
monsters - the shape of the monster represents strength of the monster.
- Monsters chase you.
- Stronger monsters cause more damage. Monster shape 5 cause random damage 1 to 5.
- You hit monster with random strength up to your weapon strength (with weapon 5 you cause randomly 1 to 5 damage)
- Monsters steal items from the ground.