User:H. H. P. M. P. Cole/OCADOTY2023 Nominations

A table to collect nominations for OCADOTY2023. Anyone please feel free to contribute missing entries, but discuss in the dedicated thread before changing an existing entry. Editing will probably become irrelevant when a OCADOTY 2023 voting thread is created.

By H. H. P. M. P. Cole, confocaloid, Haycat Durnak, and NimbleRogue

Life-like rules

1. Omniperiodicity proofs in many Life-like rules by many

2. Guns in many Life-like rules, including a Hashlife-friendly gun in 2x2 by many

6. Various new oscillators in Life-like rules, including oscillators in Seeds, and a replicator shuttle in B37/S345 by many.

8. Various spaceships in Life-like cellular automata by many.

7. A tiny c/7 in Diamoeba, by cyl.

41. The first odd period oscillator in Diamoeba, by bibunsekibun.

10. A p661 in B356/S23, by FWKnightship.

13. A 3-engine corderization of an OT giraffepuffer, by AbhpzTa.

Spaceships

Elementary

15. Progress on the 5S project, by many.

16. New small adjustable spaceships, including 3-cell adjustable ships by Macbi.

29. The highest period INT ship, a 729c/7,229,407o, by NimbleRogue.

30. A wandering spaceship that never gets destroyed despite a change in one condition, but the condition affects its trajectory, by confocaloid.

34. A rule with a c/3o, c/21o, 2c/44d, c/24d, 2c/50d, and a 7c/347d that has none of S0123, by snowman.

35. A rule which has several (relatively small and thin) spaceships of 25 orthogonal velocities, by May13.

Engineered

11. An 8c/187 engineered spaceship in tLife, by toroidalet.

12. Some constructions in B2i34cj6a7c8/S2-i3-a4ceit6in, including infinitely many oblique spaceships by many.

21. A giraffeship that is made out of five period-240 'cloverleaf' fake RROs, by GUYTU6J.

39. Some spaceships in Harvest Moon, by FWKnightship

Other INT constructions

19. 531-generation A 1-cell methuselah in a 2-state rule, by toroidalet.

24 & 31. Similar constructions in B3-ckq5y/S2-ci3-aek4ci5c and B35e/S2-i36c where both rules contain self-repairing OMOSes using gliders and small 2c/5o ships respectively by GUYTU6J, and AlbertArmStain.

32. Marine Magnificence, an explosive rule with several small guns of several small periods, by FlutterWithKSparkler.

33. 3 OMOS's of a (2,1)c/51 knightship, a p312, p462, and a p1386, by pipsqueek.

37. Various reflectorless rotating oscillators, by many.

38. A failed loop replicator in INT, by NimbleRogue.

42. Self-inverse rules that spontaneously form rectangular tilings, by muzik.

43. The completion of the 'sweet revenge' trilogy featuring eaters (in Life) being eaten by gliders, by b3s23love.

50 a methuselah with a lifespan around 10^28,049,842 by toroidalet

LtL and other-neighbourhood rules

9. New spaceships in OT hexagonal rules, including a Cordership in an INT hexagonal rule by many.

36. Hexogen, a self-complementary hexagonal rule with guns, by Yoel.

14. New gliders in 2-state von Neumann rules by many.

25. Hash2, an LtL rule with a very small camelship, by b-engine.

27. Factorio, a rule with various interesting mathematical properties, by H. H. P. M. P. Cole.

47. Exploration in Bosco's Rule, including two W110 emulators and the first natural gun in the rule by FWKnightship and Yoel.

Multi-state rules

Computers

4. CGOL metacells in Fireworld and WWEJ3 by yoel, and wirehead.

5. A tiny computer called LEAST, in a period-1 wiring rule called Semaphore, by _zM.

Technology

40. Some exploration in multistate rules that add variations to CGOL, including Brew, Symbiosis, and StateInvestigator by many.

44 & 46. Spiralmakers in Flow6 and A Wire-like World (1e2-a3-cij4aijkrtz5cnqr/2ce3aejnr4aj5y6a/3), by Redstoneboi and silversmith.

Miscellaneous

17. The slowest 1-cell ship, it uses 3 states, and has a period of over 10^^(10^^27), by toroidalet.

22. SoManyShips2, a 3-state rule with 2 failed replicator oscillators (one OMOS), a 4c/9 replicator, and over fifty small ships and several families of extensible ones, by FWKnightship.

23. A 3-state rule with a SMOSMOSMOS which beat the previous record level of SMOS iteration by 2, by FWKnightship.

Miscellaneous

3. W110 emulator stripes in Grounded Life, Just Friends, B3/S2, and B3/S0134V by many.

26. The Upper limit for oscillator period with N cells in envelope box challenge, Which found the highest period oscillator possible in a 3*3 box, along with many other period to box records. by H. H. P. M. P. Cole

45. A new largest FIGseed, with a FIG value of over 379 million, by bibunsekibun.