Core War @xcorewar.bsky.social · 18/06/2026🤖 RubyMARS is a tiny CWS'94-compatible Core War simulator written in 105 lines of Ruby corewar.co.uk/rubymars.htm #corewar #rubylang 020
Core War @xcorewar.bsky.social · 20/01/2026MTS MARS Tournament Scheduler has been updated. Bugs fixed include self-fight scores, benchmark scores, warrior names with leading digits, and score overflow corewar.co.uk/tools/mtsv16... #corewarcorewar.co.uk 000
Core War @xcorewar.bsky.social · 03/01/2026pMARS 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: corewar.co.uk/pmars.htm #corewarcorewar.co.ukpMARS – The Portable Core War SimulatorDownload pMARS, the portable Core War simulator. Run, debug, and optimise Redcode warriors with the cross-platform interpreter and visual debugger. 100
Core War @xcorewar.bsky.social · 06/12/2025Core 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 000
Core War @xcorewar.bsky.social · 17/11/2025This year's Core War Tournament Weekend is over. Congrats to inversed who claimed first place in Sunday'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 000
Core War @xcorewar.bsky.social · 16/11/2025A 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 042
Core War @xcorewar.bsky.social · 15/11/2025The 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 010
Core War @xcorewar.bsky.social · 13/11/2025⭐ 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. corewar.co.uk/tournamentwe... #corewarcorewar.co.ukCore War: Tournament Weekend 2025 Announcement 000
Core War @xcorewar.bsky.social · 28/10/2025You are invited to enter The Core War Tournament Weekend 2025: 15–16 November. Full details at corewar.co.uk/tournamentwe... #corewarcorewar.co.ukCore War: Tournament Weekend 2025 Announcement 000
Core War @xcorewar.bsky.social · 25/10/2025The Core War Tournament Weekend returns to The Retro Computer Festival on 15-16 November. The 88 tournament on 15th, 94nop on 16th. Entries will be added to the top-x of the Koenigstuhl hill before an iterative push-off with diversity scoring to determine the final rankings. More info soon. #corewar 110
Core War @xcorewar.bsky.social · 10/10/202520 years ago - Mandragora entered the KOTH 94nop hill on this day in 2005. A clear/imp with a g2-style SPL/DAT clear and vortex-launched imps corewar.co.uk/mandragora.htmcorewar.co.ukCore War: Mandragora by Christian Schmidt 000
Core War @xcorewar.bsky.social · 18/06/2025🏆 Congratulations to Inversed and Dave Hillis, who claimed first and second place in the Nano Core War Challenge with Reptiloid Supremacy, Reptiloid Conspiracy, and Smitten Atrocity. inversed.ru/CoreWar_Chal... #corewarinversed.ruCoreWar Nano Challenge 000
Core War @xcorewar.bsky.social · 15/06/2025The Core War Nano Challenge is about to go live... www.youtube.com/watch?v=mDBW... #corewaryoutube.comCore War Nano ChallengeYouTube video by inversed 000
Core War @xcorewar.bsky.social · 11/06/2025⏰ TOURNAMENT REMINDER - the entry deadline for the Nano Core War Challenge is at 10:00 UTC on Sunday 15th June. Please ask on the Core War Discord if you need any help. ▫️ Discord - discord.gg/YxrbaQDT9z ▫️ Tournament page - inversed.ru/CoreWar_Chal... #corewardiscord.ggJoin the Core War & Programming Games Discord Server!Check out the Core War & Programming Games community on Discord – hang out with 35 other members and enjoy free voice and text chat. 000
Core War @xcorewar.bsky.social · 18/05/2025⭐ CORE WAR TOURNAMENT ANOUNCEMENT ⭐ Inversed has announced the Nano Core War Challenge, with a first prize of $100 🙂 Entries will be scored against the Nash equilibrium, and a new equilibrium will be calculated. inversed.ru/CoreWar_Chal... #corewarinversed.ruCoreWar Nano Challenge 020
Core War @xcorewar.bsky.social · 22/03/2025Here's a 3D MDS map of the top 100 warriors from the 88 Koenigstuhl. Each point represents a warrior. The closer a point is to another point, the closer the warriors' scores are. #corewar 000
Core War @xcorewar.bsky.social · 27/02/2025Creeper was the first computer worm, spreading across ARPANET in 1971 with the message "I’m the creeper, catch me if you can!" Here's the story of Creeper and Reaper, which inspired Core War corewar.co.uk/creeper.htm #corewarcorewar.co.ukCreeper and Reaper, the History of the First Computer WormCreeper was the first computer worm, spreading across ARPANET in 1971 with the message 'I’m the creeper, catch me if you can!' Here's the history of Creeper and Reaper. 010
Core War @xcorewar.bsky.social · 29/08/2022The final release of pMARS 0.9.4 is available from: ▫️▫️ koth.org/pmars/ corewar.co.uk/pmars.htmcorewar.co.ukpMARS – The Portable Core War SimulatorDownload pMARS, the portable Core War simulator. Run, debug, and optimise Redcode warriors with the cross-platform interpreter and visual debugger. 000
Core War @xcorewar.bsky.social · 29/08/2022Inversed has created a best counter graph for the nano, tiny and limited process hills, connecting each warrior with the opponent which beats it with the highest score: ▫️▫️ groups.google.com/g/rec.games.co… reddit.com/r/corewar/comm… 000
Core War @xcorewar.bsky.social · 21/08/2022Has anyone got access to the issues of Tudomány (the Hungarian edition of Scientific American) with A K Dewdney's Számítógépes Észjáték columns about Memóriaháború (Core War)? Thanks #corewar 000
Core War @xcorewar.bsky.social · 10/07/2022"Windows Hothouse, Creating Artificial Life with Visual C++" by Mark Clarkson (1994) has a chapter on Core War. 010
Core War @xcorewar.bsky.social · 27/03/2022Inversed has computed the Nash equilibrium for the tiny hill. Ranking is by probability with all warriors scoring the same. For more details, see "Nash equilibrium: Tiny 2022.03.23 groups.google.com/g/rec.games.co… 020
Core War @xcorewar.bsky.social · 14/02/2022Results for the grand final of the Corewar Global Masters, "Tiny Survival": 1⃣ Roy van Rijn 2⃣ Inversed 3⃣ Steve Gunnell 4⃣ Sascha Zapf 5⃣ Dave Hillis 6⃣ Wayne Sheppard 7⃣ S.Fernandes 8⃣ John Metcalf 9⃣ RainRat 000
Core War @xcorewar.bsky.social · 07/02/2022Entries are in for the Corewar Global Masters. The action will be livestreamed at▫️ Round 1, 10th Feb, 7pm (CET/GMT+1) ▫️ Round 2, 11th Feb, 7pm ▫️ Round 3, 12th Feb, 7pm ▫️ Lower Ranks, 13th Feb, 6pm ▫️ Grand Final, 13th Feb, 8pm Spectators welcome 🙂 twitch.tv/corewarglobal 000
Core War @xcorewar.bsky.social · 09/01/2022The 88, 94 and 94x Core War Hall of Fame have been updated: ▫️▫️▫️ corewar.co.uk/halloffame/94x… corewar.co.uk/halloffame/94n… corewar.co.uk/halloffame/88h… 000
Core War @xcorewar.bsky.social · 03/12/2021Here's a short optima number calculator in Python using the bomb-free space algorithm. #python #corewar ▫️ corewar.co.uk/optima/optima.… 000
Core War @xcorewar.bsky.social · 20/11/2021Imps, rings, spirals and how to launch them corewar.co.uk/imp.htmcorewar.co.ukCore War: Imps, Imp Rings and Imp SpiralsImp is the simplest example of a Redcode program that is able to relocate itself in the memory array. It copies the contents of relative address 0 (namely the Imp) to relative address 1, the next address. As the program is executed it moves through the array at a speed of one address per cycle, leaving behind a trail of Imps.” 000
Core War @xcorewar.bsky.social · 06/11/2021📉 Methods for finding Core War optima numbers: ▫️ Closest previous hit ▫️ Distance from midpoint ▫️ Bomb-free space ▫️ Locally Fibonacci steps ▫️ Find-x numbers Sample code corewar.co.uk/optima.htmcorewar.co.ukCore War: Optima NumbersChoosing a good step size is critical to the success of a warrior, so we need a way of measuring the effectiveness of a step size.” 000
Core War @xcorewar.bsky.social · 04/08/2021Happy Birthday Darwin - the first programming game is 60 years old! Victor Vyssotsky, Douglas McIlroy and Robert Morris created Darwin on an IBM 7090 at Bell Labs in August 1961. corewar.co.uk/darwin.htm 000
Core War @xcorewar.bsky.social · 04/02/2021Are there any assembler automata artificial life models missing from this list?: Luna, Venus, Tierra, Avida, Helix, Helix4, Amoeba, Amoeba II, Amoeba III, COMOS, Nidus, Quantum Coreworld, CoreLife, Evolve 4.0, SALTA #alife #ArtificialLife 010
Core War @xcorewar.bsky.social · 04/02/2021Does anyone know the source of this John von Neumann quote?: “Life is a process which can be abstracted away from any particular medium.” #Alife #ArtificialLife 000
Core War @xcorewar.bsky.social · 30/12/2020It only takes a few clicks to get pMARS up and running on NomadBSD, a persistent live system based on FreeBSD for USB flash drives. #corewar ▫️ Open OctoPkg ▫️ Search for pMARS ▫️ Right click and select install ▫️ Ctrl+M to commit 000
Core War @xcorewar.bsky.social · 23/11/2020Are there any warriors similar to Gamma Paper 3.0 which bomb with a small stone then switch to paper? Apart from Gamma Paper I've seen Smooth Noodle Map, Killer Instinct and Leapfrog. #corewar 000
Core War @xcorewar.bsky.social · 18/11/2020Are there any warriors similar to Hydra and the Living Dead series which launch multiple copies of very similar tiny bombers / clears? #corewar 000
Core War @xcorewar.bsky.social · 15/11/2020🦠💾 A 1980 description of computer viruses. Wetherell heard the term at Livermore where Gregory Benford experimented with the earliest known virus (in Fortran, 1969). ▫️ Wetherell, Charles. "Programming Pastimes and Pleasures." Dr Dobb's Journal (Feb 1980) 36-37. @Brain0verride 000
Core War @xcorewar.bsky.social · 14/09/2020Never mind the microbes on Venus, there are Mice on MARS 🙂 #corewar 000
Core War @xcorewar.bsky.social · 11/07/2020pMARS also compiles successfully with the SDL core display on Linux Mint 20 Ulyana 🙂 000
Core War @xcorewar.bsky.social · 26/06/2020Make the following edits to Makefile: ▫️ Add -DSDLGRAPHX to the end of line 21 (CFLAGS) ▫️ Remove the # to enable lines 26 (INC) and 27 (LIB) Install SDL 1.2: ▫️ sudo apt-get update ▫️ sudo apt-get install libsdl1.2-dev Finally, make pMARS: ▫️ make 100
Core War @xcorewar.bsky.social · 25/04/2020🤖 Robot Odyssey - "the hardest computer game of all time". Design and program robots to escape from the underground city of Robotropolis. Featured in A. K. Dewdney's Computer Recreations column in Scientific American, July 1985 and Escape from Robotropolis by Fred D'Ignazio. 000
Core War @xcorewar.bsky.social · 22/02/2020Some strong new entries on the94nop hill. Steve Gunnell and Anton Marsden have shaken the hill up over the last couple of weeks. #corewar KOTH.org 000
Core War @xcorewar.bsky.social · 27/01/2020inversed has published issue 2 of CoreOps, covering silk step interactions#corewar inversed.ru/CoreWar/CoreOp… 000
Core War @xcorewar.bsky.social · 27/11/2019Has anyone got access to any of the programming game groups on Yahoo (RoboWar, etc)? I'd love to archive the material before Yahoo delete the groups forever 000
Core War @xcorewar.bsky.social · 10/01/2019Has anyone got access to the following issues of Scientific American please? If so I'd really appreciate a pic of the final page of Computer Recreations to check for any Core War news/updates thanks: Apr 1985, Nov 1985, Dec 1985, Mar 1986, May 1986, Nov 1986, Jul 1988, Aug 1988. 000
Core War @xcorewar.bsky.social · 30/09/2018"The mod-1 optima numbers for a coresize of F_n are F_{n-1} and F_{n-2}, where (F_n) is the usual Fibonacci sequence." - Morrell's conjecture posted to r.g.c, 10 April 1996 000
Core War @xcorewar.bsky.social · 07/09/2018The updated Core War FAQ and Glossary are ready if anyone has any suggestions (or spots any typos) 🙂 koth.org/info/glossary.… koth.org/corewar-faq.ht…koth.orgCore War Frequently Asked QuestionsThese are the Frequently Asked Questions (and answers) for the programming game Core War. 000
Core War @xcorewar.bsky.social · 31/07/2018Hullab3loo has survived 2000 challenges on the94nop hill! Congratulations to @royvanrijn #corewar KOTH.org 000
