Mastodawn

MTS MARS Tournament Scheduler has been updated. Bugs fixed include self-fight scores, benchmark scores, warrior names with leading digits, and score overflow
https://corewar.co.uk/tools/mtsv162.c #corewar

Core War Jan 3

pMARS 0.9.5 is ready for release, unless any further changes are requested over the next couple of days. This release includes a new larger X Window display, a new colour Curses display, an optional CVD-safe colour palette, and multiple small issues fixed: https://corewar.co.uk/pmars.htm #corewar

pMARS - Portable Redcode Simulator

Download pMARS, the portable Core War simulator. Run, debug, and optimise Redcode warriors with the cross-platform interpreter and visual debugger.

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Core War Dec 8

@AdamOnza It sounds impossible, but at least one solution has been found 🙂

Core War Dec 6

Core War Challenge (Difficult): Write a program to spawn 8000 processes and fill the entire core with JMP 0 instructions, with one process running each JMP. If you solve the challenge, please share the program length and cycles, but not the code. #corewar

Core War Nov 17

The 2025 Core War Tournament Weekend is over. Congrats to inversed who claimed first and second place in yesterday's 94 tournament:

1st "Twin Storms" by inversed
2nd "King Cobra" by inversed
3rd "smart clear" by Christian Schmidt
4th "Flaking Rust" by lain
5th "HELLHAMMER" by Drugganator

#corewar #retrofest

Core War Nov 16

A few demos running on day one of the Retro Computer Fest in Cambridge. v5 of the Core War simulated annealing script on a Milk-V MARS, Core War on the FUSE #zxspectrum emulator on HaikuOS and Core War genetic algorithms on a Raspberry Pi 3B #retrofest #corewar

Core War Nov 15

The 88 Core War Tournament is over! Congratulations to Inversed. #corewar

1st "Semiopacity" by inversed
2nd "Janus" by inversed
3rd "chaoscan" by Christian Schmidt
4th "TrItE Fighter 5" by Philip Thorne
5th "Bewitching'88" by S.Fernandes

Core War Nov 13

⭐ Core War tournament reminder... the deadline for the 88 tournament is at 11:30am (GMT) on Saturday 15th November. Entries currently received from two players. https://corewar.co.uk/tournamentweekend2025a.htm #corewar

Tournament Weekend 2025 Announcement

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Core War Oct 28

You are invited to enter The Core War Tournament Weekend 2025: 15–16 November. Full details at https://corewar.co.uk/tournamentweekend2025a.htm #corewar

Tournament Weekend 2025 Announcement

Core War Oct 25

The Core War Tournament Weekend will return to The Retro Computer Festival on 15–16 November, featuring an 88 tournament on Saturday and 94nop tournament on Sunday. Entries will be added to the top-x of the 88 / 94nop Koenigstuhl hills, after which we'll run an iterative push-off tournament with diversity scoring. Final rankings will be based on each entry's position in the iterative push-off. Entries by email, with a maximum of two per person per tournament. More details to follow. #corewar